Four positive externalities of installing solar-powered trash compactors are Reducing trash pickups, Reducing hauling costs, Reducing volume of waste sent to landfills, Utilizing renewable energy.
Then the Six cradle-to-grave components of solar powered trash compactors are Solar panel , Battery pack, Compactor unit, Mechanical crusher, Electronic signal sender, Rechargeable battery.
In the process of One way that the installation of solar powered trash compactors could reverse the effects of urban blight
The net present value is $6,232, under the condition the price of a regular trash bin is $300, and it has a lifespan of 20 years.
The solar-powered trash compactors are environmentally beneficial are
Conducting a life cycle assessment , Conducting an environmental impact assessment
(a) The Four positive externalities of installing solar-powered trash compactors are
1) Reducing trash pickups: Solar-powered trash compactors can reduce the number of trash collection visits to each bin from 17 times per week to 5 times per week.
2) Reducing hauling costs: Solar-powered trash compactors can reduce hauling costs by 35%-75%.
3) Reducing volume of waste sent to landfills: Solar-powered trash compactors can reduce the volume of waste sent to landfills.
4) Utilizing renewable energy: Solar-powered trash compactors utilize renewable energy to function.
(b) Then the Six cradle-to-grave components of solar-powered trash compactors are
1) Solar panels: Solar panels charge a battery pack that powers the compactor.
2) Battery pack: The battery pack stores energy from solar panels and powers the compactor.
3) Compactor unit: The compactor unit is an enclosed unit with a door that opens for trash disposal.
4) Mechanical crusher: The compactor automatically detects when the bin is full and uses a solar-powered mechanical crusher to compact the contents.
5) Electronic signal sender: When the compactor needs to be emptied, it sends an electronic signal.
6) Rechargeable battery: Solar trash compactor operates through a rechargeable battery which can be charged by using solar panel.
(c) In the process of One way that the installation of solar powered trash compactors could reverse the effects of urban blight is by eliminating the litter and overflowing trash cans which can lead to cleaner streets and neighborhoods.
(d) In order to determine if solar-powered trash compactors are economically beneficial, we need to calculate the net present value (NPV) of each option. NPV is calculated as follows:
NPV = -Initial cost + (Annual savings / Discount rate) × (1 - (1 + Discount rate)^(-Lifespan))
Here:
Initial cost = $4,000
Annual savings = (17 - 5) * ($5 + $20) * 52 = $26,520
Discount rate = 5%
Lifespan = 10 years
NPV = -$4,000 + ($26,520 / 0.05) × (1 - (1 + 0.05)^(-10)) = $6,232
The NPV of solar-powered trash compactors is positive, indicating that they are economically beneficial.
(e) Now finally the two ways that we might determine if solar-powered trash compactors are environmentally beneficial are
1) Conducting a life cycle assessment (LCA): LCA is considered a technique used to project environmental impacts associated with all stages of a product's life cycle from raw material consuming through materials processing, manufacture, distribution, use, repair and maintenance, and disposal or recycling.
2) Conducting an environmental impact assessment (EIA): it is considered as a process used to identify and evaluate potential environmental impacts associated with a proposed project or development. EIA can help us determine if installing solar-powered trash compactors has any negative environmental impacts.
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The radius of a circle is 17 in. Find its area in terms of \piπ.
Answer:
A≈907.92in²
Explanation:
A=πr2=π·172≈907.92028in² hope this helps ;)
Answer:
A= 907.92028in squared
Explanation: A=π r squared =π·172
if jesuss can walk on water can he swim on land
Which statement best describes the physical weathering shown by
the diagram?
A) Enlargement of the cracks occurs because water expands
when it freezes.
B) This type of weathering occurs only in bedrock composed of
granite
C) The cracks become wider because of chemical reactions
between water and the rock.
D) This type of weathering is common in regions of primarily
warm and humid climates.
Answer:
The answer would be A
Explanation:
The cracking apart or melting of rock samples on the Planet's level is called weathering. Weathering is termed as the breakdown or dissolution of rocks and minerals on the Earth's surface.
Moisture, glaciers, soils, minerals, flora, wildlife, and weather patterns are all degradation factors.
The correct answer is A) Enlargement of the cracks occurs because water expands when it freezes.
The water at the underground level when starts to freeze starts to change the shape and the pattern of water that means it gets to change in the shape of solid and the solid shape requires the place in the underground level. This space enlargement results in cracks on the earth's surface and due to this, the earth's surface starts expanding.
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Which of the following are NOT sources of freshwater?
a. Rivers
b. Lakes
c. Wetlands
d. Ocean
Answer:
d
Explanation:
what type of weather should the western part of the united states be experiencing (colorado, wyoming, utah)?
The western part of the United States should be experiencing a mix of warm and dry conditions, with cooler temperatures in the higher elevations. During the summer months, temperatures can range from the low 70s to the mid 90s, while in the winter months, temperatures can dip as low as the single digits.
Exploring the Natural Beauty of the Western United StatesBeautiful mountains, crystal clear lakes, and breathtaking landscapes are just a few of the amazing sights found in the western United States. From the snow-capped peaks of Colorado and Wyoming to the dry deserts of Utah, the region offers a diverse range of landscapes. No matter the time of year, the western US is a great place to explore and enjoy the outdoors. Whether you're looking for a quiet hike or an adrenaline-pumping adventure, you'll find something to suit your needs. With its unique geography and awe-inspiring beauty, the western US is a destination like no other.
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Answer:
cool and dry
Explanation:
guessed it from what I knew and got it right.
Hope it helps!
Which statements are true about both Japan and China?
Check all that apply.
A. Japan does not place restrictions on religion and reproduction like China
does.
B. Japan is a constitutional monarchy, while China is a Communist state.
c. Japan enacted strict trade policies that helped its manufacturers, but that
led to a huge real estate bubble.
D. Japan and China share religious values.
Japan is a constitutional monarchy, while China is a Communist state. Thus, Option B is the correct statement.
What do you mean by constitutional monarchy?A constitutional monarchy is a system of government in which the king (see monarchy) shares power with a constitutionally established government.
A king can be the head of a country or a leader of ceremonies. The Constitution assigns all government powers to the legislature and the courts.
Thus, option B is the correct statement that Japan is a constitutional monarchy, while China is a Communist state.
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why are magma types categorized by the amount of silica they contain
A magma's silica content will not only control the rock type that forms, but it also controls the relative viscosity of the magma.
Viscosity is a physical property of fluids that characterizes their resistance to flow. It is a measure of the internal friction within a fluid, determining how easily it flows and deforms under the influence of external forces, such as gravity or applied shear stress. Viscosity can be thought of as the "thickness" or "stickiness" of a fluid. Fluids with high viscosity, such as honey or molasses, have a thick consistency and flow slowly, while fluids with low viscosity, like water or gasoline, are thin and flow easily.
Viscosity is influenced by factors such as temperature and pressure; generally, fluids become less viscous as temperature increases. Viscosity plays a crucial role in various scientific and engineering applications. For instance, it affects the performance of lubricants in reducing friction and wear, determines the flow characteristics of fluids in pipelines, influences the behavior of paints and coatings during the application, and even impacts the movement of blood in the human body.
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URGENT!!!
PLZ ANDWER QUESTIONS IN THE IMAGE AND ILL BE YOUR FRIEND FOR LIFE:)
Plzzz I’m begging youuuuu
Someone answer themmm pleaseee
Answer:
1.It began about 30,000 years ago, reached its greatest advance 21,000 years ago, and ended about 10,000 years ago
2. Global warming has become a higher and larger risk.
3. Global warming
4. Carbon dioxide
5. Because of the fossil fuels that people are burning for energy.
6. Coal, oil and natural gas
7.Fossil fuels are made from decomposing plants and animals.
8.We depend on those fuels to heat our homes, run our vehicles, power industry and manufacturing, and provide us with electricity.
Can someone help me please?
Answer:
It would be cultural assimilation
Explanation:
!! PLS HELP QUICK!!
Rock layers were found containing 30 kg of radioactive elements that had a half life of 5 million years. How old were the rock layers
scientists determined that the samples had originally contained 120 kg of the radioactive materials?
A 10 million years old
B. 5 million years old
C. 15 million years old
The rock layers that the scientists determined had originally contained 120 kg of the radioactive materials were 10 million years old. Thus, the correct answer is option A.
What is a radioactive element?Radioactive elements are unstable atomic nuclei that undergo radioactive decay to form stable nuclei due to the presence of excess nuclear charge within them. The neutron to proton ratio can be used to estimate the stability of an element's nuclei.
Stable nuclei with atomic numbers up to Z= 20 have an equal number of protons and neutrons. The repulsion forces between protons increase as the atomic number increases.
The radioactive element content of granite, rhyolite, and tuff is comparable. The very coarse-grained granitic rock known as pegmatite contains a high concentration of radioactive minerals.
Therefore, the rock layers scientists determined that the samples had originally contained 120 kg of the radioactive materials were 10 million years old.
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Has anyone traveled to the backrooms?
Answer: Yes
Explanation: I have personally been there myself and it was strangely pleasant. Surprisingly, I actually bumped into an old friend named New Zealand. (he is not literally New Zealand the country, he's a person) He's quite friendly actually, let me know if you ever bump into him he's about yay tall and made entirely of sticks. If you'd like to visit the backrooms I'd recommend going to an evacuated space, preferably at dusk or dawn (most people think you should go at 3 AM but my guess is that they're trying to prevent people from traveling to the backrooms and spreading false information) after you're in the evacuated space you simply wait.
Three pieces of advice I have for your safe travels are:
Wear a watch!!!!
Talk to the people you meet there, they tend to get mad if you don't say hi
and lastly, if you want to get out you should run north (I guess you should also bring a compass, preferably a smaller one because the bigger the compass, the more likely it is to malfunction as the magnetic fields in the backrooms are really screwed up.
what is the live birth rate as of 2020?
Explanation:
The current birth rate for U.S. in 2020 is 11.990 births per 1000 people, a 0.09% increase from 2019.
Que diferencias existen entre el lado este y oeste de América.
Ayúdenme por favor es para mañana
Answer:
Las principales diferencias entre el lado este y el lado oeste de América son del tipo geográfico e histórico, lo cual a su vez influye en los factores culturales de la región.
Así, el este de la nación es la región más antigua del país, y a su vez la más poblada, en tanto la mayor parte de las ciudades más pobladas del país (como Miami, Nueva York, Filadelfia y Washington, entre otras) se encuentran allí. Culturalmente, es una zona más conservadora y con mayores influencias británicas y europeas.
En cambio, el oeste de los Estados Unidos tiene una cultura mucho más diversa, con gran influencia latina, y un clima mucho más árido que el del oeste.
Which of the following is the BEST example of irredentism?
O in Spain, the central government has allowed the Catalonians greater power to govern their territory
O Citizens in Tibet, which is currently part of China, are pushing to establish their own independent nation
O Southern states in Brazil want to have more control over the decisions made about tax spending in the country
Some citizens in the State of Hawaii want to have increased control over the government in their region
The Saudi Arabian and Yemen governments argue over the boundary between their states and access to resources
Answer:
Well I can tell you the answer ISN'T Saudi Arabia and Yemen lol
Explanation:
I took the test and got that one wrong. Good luck!
Answer:
Citizens in Tibet, which is currently part of China, are pushing to establish their own independent nation.
Explanation:
I took the test and got it correct.
describe all types of pollution
Air , water , land, radioactive , light and thermal
Water pollution, air pollution, solid waste pollution, and noise po/llution are all examples of pollution. Gases and solid particulates can also pollute the air. Groundwater conta/mination is related to soil pollution. Leacha/te from solid waste can be extremely polluting, contaminating soil groundwater.
Where are there many "subsistence farmers?"
Mexico
Central America
Greenland
United States
Canada
West Indies
Why were cities important in Medieval Times?
Explain how volcanic activity and orbital changes may cause long-term climate change (4 marks)
Volcanoes can release large amounts of ash. This can reflect the Sun's rays causing the planet to cool. Over time however, eruptions can release large quantities of greenhouse gases eg. Carbon dioxide. These gases can trap the Sun's rays causing the planet to warm.
Changes from a circular to an oval orbit can affect the amount of sunlight the earth receives. It takes 100,000 years for the Earth's orbit to change from being more circular to an ellipse and back again.
Volcanoes have the ability to spew forth tons of ash. This may deflect solar radiation, which would chill the planet. However, over time, eruptions have the potential to emit significant amounts of greenhouse gases, such carbon dioxide. These gases have the ability to absorb solar radiation, warming the globe.
How do orbital changes cause long-term climate change?Because they alter how much energy our planet receives from the sun, modifications to the Earth's orbit around it and to its axis' tilt and wobble can result in cooling or warming of the world's temperature. On-time spans of thousands of years, these modifications—known as Milankovitch cycles—cause climatic variations. They are not to blame for the Earth's accelerated warming during the past century.
However, as the Earth warmed, the ice that covered the oceans began to melt and the water of the oceans warmed. Changes in the physics, chemistry, and biology of the ocean that influenced the flow of carbon dioxide between the ocean and the atmosphere subsequently increased warming.
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over the chronological course of the cordilleran orogeny, deformation moved _____________ the north american continent.
Hi, there! :)
During the Cordilleran orogeny, deformation moved westward towards the North American continent.
This period of mountain-building and deformation occurred along the western edge of the North American plate, and lasted from approximately 100 million to 40 million years ago. The Cordilleran orogeny resulted in the formation of the Rocky Mountains and many other mountain ranges in western North America.
Hope that helps! Good luck! ^_^
What decorative details of the bull's head harp and the standard of ur are the same?
Both display carved scenes of battle details of the bull's head harp and the standard of ur are the same
The Standard of Ur is box, the two of large sides in which the show aspects of life in the early of Mesopotamia. The purpose of object remains the unknown. Woolley though it and might have been to mounted on a poles and also carried – hence its name. Others think it may be the sounding box of the lyre.
Extravagant jewelry of gold, lapis or lazuli, and carnelian, the cups of the gold and the silver, bowls of a alabaster, and the extraordinary objects of the art and the culture were most among of the Mesopotamian treasures uncovered in the year late 1920s by the renowned British archaeologist C
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As a result of unexploited ecological niches, species arriving on islands often undergo great diversification over time leading to a phenomenon called_______ radiation.
As a result of unexploited ecological niches, species arriving on islands often undergo great diversification over time leading to a phenomenon called adaptive radiation.
This process occurs when a single ancestral species evolves into a variety of different species, each adapted to a specific ecological niche within the island's unique environment. The absence of competitors and predators, combined with abundant resources, allows for rapid speciation and the development of a wide variety of distinct species. This phenomenon has been observed in numerous groups of organisms, from birds to insects to plants, and has played a crucial role in the evolution of many island ecosystems. Overall, adaptive radiation is an important process that has led to the incredible diversity of life found on many of the world's islands.
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Yusef believes that his town is a very friendly community because it is situated in a valley, making it more challenging to travel in and out. He thinks the cultural characteristics arise out of natural geography. What theory is Yusef’s idea MOST aligned with?
Answer:
Isolated cultural methods.
Explanation:
The area of a rectangular field is 2,000 square feet. If the field is w feet wide, which of the following expressions represents the perimeter of the field, in feet?
Answer:
4,000,000,000,000,000,000,000,000,000,000,000,000,000,000,
Explanation:
which statement describes guidelines on a map.
A. they are measured in degrees
B.they make straight lines on a globe
C.they run north to west and south to east
D. they divide earth into two equal parts.
Which of the following statements is true for both solar energy and wind energy?
A) Power generation using this energy source does not contribute to water pollution.
B) Power from this energy source can easily be integrated into existing power grid systems.
C) Energy is able to be collected both day and night.
D) Energy collection equipment can be installed in agricultural areas without affecting crop production.
Answer:
A
Explanation:
Solar energy is collected from the sun using solar panels - no water is affected.
Wind energy is collected using wind turbines - no water is affected using wind turbines either.
Hope this helps!
Solar energy in the form of wind energy is a type of solar energy. Winds are caused by the sun's heating of the atmosphere, the rotation of the Earth, and surface defects.
What is the difference between wind energy and solar energy?With gasoline prices consistently growing, the hunt for alternative energy is also on the rise. Wind power and solar electricity are two prevalent possibilities. The primary distinction between wind power and solar electricity is when it is accessible.
Despite the fact that both are intermittent, wind power is available all day, but solar power is only available during the day for obvious reasons. This has major ramifications for electricity distribution because power demand continues even during the night.
Thus , Option A is correct about wind and solar energy.
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Which of the following statement is NOT true about Psychoanalysis?
A. Psychoanalysis lost its practicality due to its lengthy procedure
B. This approach is a breakthrough in psychology
C. Psychoanalysis is a practical method
D. Psychoanalysis theory discovered by Sigmund Freud
From the following statement, the one which is NOT true about Psychoanalysis is that, this approach is a breakthrough in the Psychology.
Psychoanalysis theory is said to divide the psyche into the three functions: the id—unconscious source of primitive dependency, sexual, and aggressive impulses; the super ego—subconsciously interjects societal mores; and the ego—which is said to represent a sense of self.
The psychoanalytic theories in the Psychology tend to explain the human behavior which is said to be in terms of the interaction which is of various components of the personality.
Hence, the Psychoanalysis theory is the theory of personality organization.
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Fertility and morality rates are higher in more developed nations
This is a false statement. Fertility and morality rates are NOT higher in more developed nations.
What is fertility?The ability to conceive a child naturally is known as fertility. Not everybody is naturally fertile. Infertility, or the inability to conceive naturally after a year of unprotected sexual contact, affects about 11% of couples. 1 The issue of infertility affects both sexes equally
What is mortality rate?A mortality rate is a measurement of how frequently people die within a given population during a certain period of time.
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Complete question
Fertility and morality rates are higher in more developed nations
True / false
Which planets have never had a spacecraft (built by humans)
orbit (rather than just fly by) them? [you’ll need do your own
research to find the answer] [5 pts]
The planets that have never had a spacecraft orbit them are Jupiter, Saturn, Uranus, and Neptune.
Jupiter, Saturn, Uranus, and Neptune are all gas giants, and as such, they do not have a solid surface for a spacecraft to land on. This makes it difficult to orbit these planets, as there is no way to slow down the spacecraft and maintain a stable orbit.
The only spacecraft that have ever come close to orbiting a gas giant are the Voyager 1 and Voyager 2 probes. These probes flew by Jupiter and Saturn, but they did not enter orbit around either planet.
There are currently no plans to send a spacecraft to orbit a gas giant. However, there are several missions that are studying the atmospheres of these planets from afar.
Uranus has been explored by a single flyby mission called Voyager 2 in 1986. Voyager 2 provided valuable data and close-up images of Uranus, but it did not remain in orbit around the planet. Similarly, Neptune was also visited by Voyager 2 in 1989, but no spacecraft has since been sent to enter orbit around it.
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In what region do more than half the worlds people live?
Answer:
am going to say Asia though am not sure
What event instigated the current population explosion?
Answer:
The Industrial Revolution
Explanation:
The advances in technology and medicine in this time saved the lives of many people. These advances caused many more people to live, meaning more people were born, this caused a rapid population increase.
The current population explosion, also known as population growth, is a phenomenon that can be traced back to the end of the 19th century and the beginning of the 20th century, with the event known as the "Demographic transition.
" The demographic transition refers to the shift from high birth rates and high death rates to low birth rates and low death rates that occurred in many countries as they modernized.During this time, improvements in public health and medicine, such as vaccination and clean water, led to a significant decrease in death rates.
At the same time, advancements in agriculture and food production allowed for an increase in food supply, which in turn led to a decrease in infant mortality and an increase in life expectancy. As a result, the population began to grow rapidly.
This demographic transition was accelerated during the 20th century with advancements in medical technology and family planning, which further lowered death rates and increased life expectancy, and made it possible for people to have fewer children, but with a better chance of survival.
As a result, the global population has grown exponentially since the early 20th century, and it is projected to continue growing for the foreseeable future.
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