which of the following is the site of carbon dioxide uptake by a plant? a. root b. hairs c. leaves d. rhizomes
e. internodes

Answer:

wish i could friend, wish i could

Explanation:

sorry, have a good day and life lol

Answer:

The speed of the wave is 112 meters per second.

The speed of a wave is a fundamental property of waves and is determined by the medium through which the wave travels. For example, the speed of sound waves depends on the temperature and density of the medium through which they are traveling, while the speed of light waves depends on the refractive index of the medium through which they are passing.

The speed of a wave can be calculated using the equation:

speed = wavelength x frequency

where wavelength is measured in meters and frequency is measured in hertz.

Given that the wavelength of the wave is 7 m and the frequency is 16 Hz, we can plug these values into the equation to calculate the speed of the wave:

speed = 7 m x 16 Hz

speed = 112 m/s.

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The arrow pointing near Sahel, the semi-arid region bordering the Sahara desert is the arrow labeled 1.

The Sahel region is a semi-arid transitional zone that lies immediately south of the Sahara desert and extends across the northern edge of the African continent.

On the African map (shown in the image), the northern side of the continent is generally where the Sahara desert and the Sahel region are located. The Sahel runs from the Atlantic Ocean in the west, through Mauritania, Mali, Niger, Chad, Sudan, and Eritrea, before ending at the Red Sea in the east.

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Let's denote the age of a child as 'x'. The inequality representing the situation where children under the age of 12 will be admitted to the film unchanged can be written as x < 12.

Children under the age of 12 will still be permitted entry to the movie, according to the circumstances. We utilise an inequality to mathematically represent this. 'x' here denotes a child's age. The inequality x < 12 states that a youngster cannot be admitted without any modifications if age 'x' is greater than 12. Without any modifications to the admission procedure, any youngster whose age satisfies this inequality, i.e., is under 12, will meet the requirements for entrance to the movie.

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Early prophase - the nuclear membrane becomes more and more indistinct and the chromatin fibers become more and more packaged and condensed. ... late prophase - the nuclear membrane and the nucleolus finally vanishes completely.

Answer:

There are several reasons: it gets rid of cells that are not needed, in the way or potentially dangerous to the rest of the organism. "Cells that are not needed may never have had a function. In other cases, they may have lost their function, or they may have competed and lost out to other cells.

Explanation:

During gene mutation, Vsr proteins would increase the sensitivity of the ames test to the type of spontaneous mutations produced by nitrites in the presence of strong acids.

In molecular biology, a particular change in the sequence of DNA which leads to the production of something different is called gene mutation.

Gene mutation causes permanent transformation in the sequence of DNA leading to genetic variations.

These genetic variations plays an important role in the process of change or evolution over generations.

Simply put, a mutation is the transformation in the sequence of the nucleic acid of a genome, an extrachromosomal DNA or a virus that alter the functions of the DNA.

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The more ancestral gene is the amalgam gene. This conclusion can be reached by analyzing the evolutionary history of these two genes.

To do this, we can compare the DNA sequences of the amalgam and lachesin genes in different species. By looking at the similarities and differences in these sequences, we can determine which gene is more closely related to the ancestral gene. The more similar the DNA sequence of a gene is to the ancestral gene, the more ancestral it is considered to be.

In the case of the amalgam and lachesin genes, the amalgam gene is more similar to the ancestral gene than the lachesin gene. This suggests that the amalgam gene is the more ancestral gene.

Additionally, we can look at the functions of these two genes. The amalgam gene is involved in the development of the nervous system, while the lachesin gene is involved in the formation of cell junctions. Since the nervous system is a more ancient and fundamental aspect of animal biology, it is likely that the amalgam gene is the more ancestral gene.

Overall, by analyzing the DNA sequences and functions of the amalgam and lachesin genes, we can conclude that the amalgam gene is the more ancestral gene.

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Answer:

i am not that much of science lover but i there u go

Explanation:

During quiet breathing, the diaphragm and external intercostals must contract. A deep breath, called diaphragmatic breathing, requires the diaphragm to contract. As the diaphragm relaxes, air passively leaves the lungs. A shallow breath, called costal breathing, requires contraction of the intercostal muscles.

i hope it helped

Answer:

1.3 million years

The option that describes a sustainable practice from the list would be the operation of wind farms. Option A.

Sustainable practices are human practices that consider the overall health of the environment and the ecosystem at large. They are essential ecological practices that have the least negative impact on the environment and as a result, protect the health of the inhabitants.

Overfishing hurts the environment in that the aquatic food chain may be disrupted while the ecosystem services provided by fish also become disturbed. Flood irrigation is not sustainable because the technique involves the wastage of water. The clear-cutting system leads to the loss of biodiversity and habitats.

The only sustainable practice is the operation of wind farms. The wind is a natural resource that is 100% renewable. In actual fact, the use of wind to generate electricity does not deplete wind in any form and has limited environmental effects.

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Explanation:

uracil.

uracil is present in RNA instead of thymine.

The statement of "The formation of a disk-like structure, the cell plate, precedes formation of the cleavage furrow in the cytokinesis of most land plants" is true.

In most land plants, the cell plate is formed during cytokinesis, which is a process that leads to the formation of two daughter cells from a single parent cell. The cell plate is a disk-like structure that forms between the two daughter nuclei and gradually develops into a new cell wall that separates the two daughter cells.

After the cell plate has formed, it gradually expands outward and fuses with the existing cell wall to complete the separation of the two daughter cells. In contrast, in animal cells, cytokinesis is typically achieved through the formation of a cleavage furrow, which is a constriction that forms around the cell and gradually deepens until the cell is split in two.

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Answer:

They are both made up of nucleotides. I hope this helps you! :)

Answer:

egg

Explanation:

Answer:

they are not inchachables

In an Endergonic reaction the products have higher Gibbs free energy than the reactants and the reaction will not occur without an input of energy.

A, D are correct statements.

A reaction that needs energy to be propelled is referred to as an endergonic reaction, such as photosynthesis. Energonic is defined as "absorbing energy in the form of work." Typically, the reaction's activation energy exceeds its total exergonic reaction energy.

The change in Gibbs free energy (G) in an endergonic reaction is positive (higher than zero). This lowers the entropy (S). There are no spontaneous endergonic responses. Both the melting of ice into liquid water and the photosynthesis reaction are endothermic processes.

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Answer:

right ventricle; pulmonary arteries

Explanation:

Deoxygenated blood is pumped from the right ventricle through the pulmonary trunk into pulmonary arteries, which enters the lungs.

This is the organ for respiration and it's involved in the exchange of gases such as oxygen and carbon dioxide.

The deoxygenated blood is pumped from the right ventricle into the pulmonary arteries and enters the lungs for oxygenation.

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Answer:

a,b,c

Explanation:

because water has a certain tempuerture that it can frezze at also bloil at

Interglacial periods are cold periods where ice worldwide advances. The given statement is false because interglacial periods are actually characterized by warmer temperatures and the retreat of ice worldwide.

Interglacial periods occur between glacial periods within an ice age, and they are characterized by higher temperatures and the melting of ice sheets and glaciers. This results in a rise in sea levels and an overall change in climate and vegetation patterns. The Earth's climate naturally fluctuates between colder glacial periods, or "ice ages," and warmer interglacial periods. These changes are primarily driven by variations in the Earth's orbit around the sun, which affects the amount of solar radiation the planet receives.

During glacial periods, lower temperatures cause the accumulation of ice at the poles and in higher latitudes. In contrast, interglacial periods bring warmer temperatures, leading to the melting of this ice and a corresponding change in global climate. In summary, the statement that "interglacial periods are cold periods where ice worldwide advances" is false because interglacial periods are actually characterized by warmer temperatures and the retreat of ice worldwide.

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lipids----(lipase pancreatic/gastric/intestinal)----->Fatty acids+Glycerol

The food material is the one on the left and the end products the one on the right.

True. Air pollutants can come from both natural and man-made sources. Natural sources of air pollutants include dust storms, volcanic eruptions, and wildfires.

These events release particles and gases into the atmosphere, which can negatively impact air quality. On the other hand, man-made sources of air pollutants include industrial emissions, vehicle exhaust, and burning fossil fuels for energy production. These human activities release pollutants such as sulfur dioxide, nitrogen oxides, and particulate matter, contributing to air pollution.
2. True. Light pollution does negatively affect fireflies. Fireflies rely on their bioluminescent light signals to communicate and attract mates. However, artificial light sources can interfere with these signals, making it difficult for fireflies to find mates and reproduce. Additionally, light pollution can disrupt fireflies' natural behavior and breeding patterns, leading to a decline in their populations.
3. True. Excessive use of car horns and sirens is considered noise pollution. Noise pollution refers to the presence of excessive, unwanted, or disturbing sounds in the environment. Car horns and sirens emit loud and sudden noises, which can be disruptive and annoying. Noise pollution can have negative impacts on human health, causing stress, sleep disturbances, and impaired concentration.
4. False. Light pollution does not allow us to see the stars easier. In fact, excessive artificial lighting in urban areas can create a glare that obscures the view of stars and celestial objects. The bright lights in cities scatter and reflect off particles in the atmosphere, creating a phenomenon known as skyglow. This light pollution hinders our ability to observe stars, planets, and other astronomical features clearly. To see stars easier, it is necessary to reduce light pollution and seek areas with minimal artificial lighting.
5. False. Forest fires are not considered natural air pollution. While forest fires do release smoke and particles into the air, they are not categorized as air pollution. Forest fires occur naturally in ecosystems and play a role in maintaining ecological balance. However, when humans cause uncontrolled or excessive fires, it can lead to environmental damage and impact air quality. Forest fires caused by human activities can release harmful pollutants and contribute to air pollution.
In conclusion, air pollutants can come from both natural and man-made sources, light pollution negatively affects fireflies, excessive use of car horns and sirens is noise pollution, light pollution hinders our ability to see stars, and forest fires are not considered natural air pollution. By understanding these concepts, we can work towards reducing pollution and preserving our environment.

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Spallanzani's experiments concerning spontaneous generation were not universally accepted because his findings challenged the prevailing belief in spontaneous generation, which was the idea that living organisms could arise spontaneously from non-living matter.

Spontaneous generation was a commonly held belief at the time and had been supported by prominent scientists such as Aristotle.

There were several reasons why Spallanzani's experiments faced resistance and skepticism:

Lack of access to air: One of Spallanzani's key experimental procedures involved boiling the nutrient broth in sealed containers to prevent access to air. Critics argued that by sealing the containers, he was eliminating the vital force or "life force" necessary for spontaneous generation. They believed that air played a crucial role in the creation of life.

Insufficient oxygen: Critics claimed that Spallanzani's sealed containers lacked oxygen, which they believed was necessary for the generation of life. They argued that organisms may have failed to develop because of the absence of oxygen, rather than due to the absence of spontaneous generation.

Contamination during sealing: Some skeptics suggested that Spallanzani's sealing method may have introduced contaminants that prevented the growth of organisms. They argued that the lack of growth in sealed containers was not evidence against spontaneous generation but rather an artifact of flawed experimental techniques.

Rejection of microscopic life: Many scientists of the time did not fully accept the existence of microscopic life forms. Since Spallanzani's experiments primarily dealt with microorganisms, some critics dismissed his findings, questioning the relevance of microscopic observations to the broader concept of spontaneous generation.

Rival scientific views: Some scientists and scholars held entrenched beliefs in spontaneous generation and were unwilling to accept contradictory evidence. They often held onto long-standing ideas and resisted changing their views, especially if it challenged their established understanding of the natural world.

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Understanding gas and vapours in a work setting is incredibly important for workplace safety. Gas and vapours can contain noxious substances that, if exposed to, can lead to serious injury or health implications.

In order to prevent such accidents, employers must perform risk assessments in order to assess and identify any areas of risk and put in place control measures to limit them. If gas and vapours are used onsite, then suitable ventilation and extraction systems should be in place.

Employers should also ensure that their staff are aware of the potential risks associated with such substances and provide adequate training and instruction in how to work safely. Finally, employers should also check that any necessary personal protective equipment is provided and communications are in place to be able to notify relevant emergancy responders in case of an accident.

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Answer:

S.A for Edmentum and Plato

Like and Rate

In step 1, blood goes to the kidney for filtration. If excess sugar exists in the blood, the filtered substances will have more sugar than they do in a person who doesn’t have diabetes. In step 2, there is some reabsorption of sugar. But if there’s an unusually high amount to filter, some sugar will stay in the urine as it passes through the renal tubule to be excreted by the body. This symptom is concerning because it could stress the kidney, which could lead to kidney problems at a young age.

Answer:

True

Explanation:

Extra protein doesn't get stored. Excess amino acids get converted to carbohydrate or fat.