.
Explain whether drivers should be subject to a usage tax if their vehicles contribute more emissions
to the atmosphere.

Answer:

chromatids

Explanation:

Answer:

chromosomes are strands of dna

Due to the unbound electrons in conductors, electrical current can flow through them relatively quickly. Insulators don't conduct electricity well because they resist it.

What is insulator and conductor?

Insulators are substances that prevent electrons from freely moving from one elemental particle to another. The charge stays in the same spot and does not spread across the surface if we transfer any quantity of charge to such an element at any time. Rubbing is the most typical method of charging such materials.

Insulators- rubber band, toothpick,

Conductors- penny, nickel, key, paperclip

Materials that easily permit the flow of electricity are referred to be electrical conductors. Conductivity is the quality of conductors that enables them to conduct electricity.

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Answer:

insulator: rubber band & toothpick

conductor: key, penny, nickel and paperclip

for object 1 I used foil and foil is a conductor

for object 2 I used cloth and clothes is an insulator

hope this helped :)

Explanation:

Answer:

Water Sources

Answer:

Advection by ocean currents modifies phytoplankton size structure at small scales (1–10 cm) by aggregating cells in different regions of the flow depending on their size. This effect is caused by the inertia of the cells relative to the displaced fluid

Answer:

HOPE YOU HAVE A GOOD DAY

Explanation:

The intertidal zone, also known as the foreshore or seashore, is the area above water level at low tide and underwater at high tide. This area can include several types of habitats with various species of life, such as seastars, sea urchins, and many species of coral.

Organisms in the intertidal zone are adapted to an environment of harsh extremes. The intertidal zone is also home to several species from different phyla (Porifera, Annelida, Coelenterata, Mollusca, Arthropoda, etc.). Water is available regularly with the tides, but varies from fresh with rain to highly saline and dry salt, with drying between tidal inundations. With the intertidal zone's high exposure to sunlight, the temperature can range from very hot with full sunshine to near freezing in colder climates.

So, I think the answer should be (B).

Answer:

They reproduce so quickly and largely to occupy the areasb)They spread everywhere in Australia c)They produce poison component in skin which cause native species dead. For example, the steroids, which affect heart muscles, will kills the western native cats in 20 minutesd)They do not have natural enemies e)People think cane toads are petsf)Anything that moved and smaller than cane toad was potential prey2. Describe what might happen to the ecosystem where the toads invade.a)Because the cane grub and beetle cannot satisfy their requirement of food, they eat everything, the ecosystem will damageb)They live in the people’s garden and house, which influences people’s daily lifec)The gland is poisonous, which causes people dead, especially for babies and young childrend)They will hurt people’s eyese)They need native animals

Explanation:

HOPE IT HELPS :D

The potential loss of unique species due to a disaster is referred to as mass extinction. When large numbers of species disappear over a short time period then it is called mass extinction.

Biodiversity threats include burning fossil fuels and deforesting forests and other wildernesses for industrial agriculture. Other human activities, such as wildlife poaching and hunting, can also have serious impacts.

When ecosystem services no longer adequately meet social needs, biodiversity loss can have far-reaching, direct human health consequences. In addition, ecosystem services impact indirectly on livelihoods, incomes, local migration, and, in some cases, political conflict.

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The electromagnetic spectrum describes all the wavelengths of light.

The scientists used the term electromagnetic spectrum to describe the entire range of light that exists in the universe. From gamma rays to radio waves, most of the light present in the universe is invisible to us.

The electromagnetic spectrum describes all the wavelengths of light. It explores an otherwise invisible universe, from exploding stars to dark nebulae.

The electromagnetic spectrum consists of radio waves (used in commercial television and radios, radar, microwaves ), infrared radiation, visible light, gamma rays, x-rays, and ultraviolet radiation rays.

All the wavelengths and frequencies of the electromagnetic spectrum are used in spectroscopy.

Thus the electromagnetic spectrum describes all the wavelengths of light.

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Answer: A: It helps compare frequencies of light.

Explanation: :)

The statement that is true about a buffer is that it reduces the amount of H+ in an acidic solution (option B).

Buffer is a solution that is used to stabilize the pH (excess acidity or alkalinity) of a liquid.

Buffers operate by neutralizing any added acid (H+ ions) or base (OH- ions) to maintain the moderate pH, making them a weaker acid or base.

Therefore, it can be said that the statement that is true about a buffer is that it reduces the amount of H+ in an acidic solution.

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With the exception of two daughter cells having an extra chromosome containing the Q or q allele and the other two without this chromosome, all four of the daughter cells will have a complete set of chromosomes.

Meiosis, a type of cell division that occurs in organisms that reproduce sexually, causes gametes to contain fewer chromosomes. Somatic cells, which are the cells that make up the human body, are diploid and have two sets of chromosomes.

Aberrant separation may occur in the meiotic process when homologous pairs are unable to separate during anaphase I. The result of this is also daughter cells with different chromosomal counts. The term "nondisjunction" is used to describe how unevenly the meiotic cells separate during the process.

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Answer:

The precursors of ketone bodies include fatty acids from adipose tissue or the diet and ketogenic amino acids. The formation of ketone bodies occurs via ketogenesis in the mitochondrial matrix of liver cells.

Explanation:

Answer:

4) the light and dark colored mice

Answer:

Explanation:

Kepler's First Law: The orbit of a planet around the Sun (or a satellite around a planet) is not a perfect circle. It is an ellipse—a “flattened” circle. The Sun (or the center of the planet) occupies one focus of the ellipse. A focus is one of the two internal points that help determine the shape of an ellipse. The distance from one focus to any point on the ellipse and then back to the second focus is always the same.

The law of ellipses suggests that the orbit of planets is not circular but ellipses

Therefore your answer would be; Ellipses

Answer:

The law of ellipses suggests that the orbit of planets is not circular but elliptical.

Explanation:

Kepler's first law (the law of ellipses) explains that the orbit of the planets around the sun is not in a circular but elliptical path.

Answer:

The number of hydrogen bonds involved will be 39

Explanation:

There are 4 types of bases that exist in a DNA, which are adenine, thymine, guanine and cytosine. Double stranded DNA molecules have these bases attaching specifically to one another; adenine only binds to thymine and vice versa while guanine only binds to cytosine and vice versa. These two bases bonding together are referred to as base pairs and the type of bond here is the hydrogen bond. There are double bonds between the adenine and thymine base pair while there are triple bonds between the guanine and cytosine base pairs.

Thus, when there are 13 cytosine bases in a DNA molecule, the number of hydrogen bonds present in the resulting base pairs will be 13 × 3 (because cytosine binds with a triple bond to guanine).

13 × 3 = 39

The number of hydrogen bonds involved will be 39

The given strand "CCCAGATAA" is DNA. A DNA strand is a long chain or sequence of nucleotides.

Nucleotides are the building blocks of DNA and consist of a sugar molecule (deoxyribose), a phosphate group, and a nitrogenous base (adenine, thymine, cytosine, or guanine). In a DNA strand, the nucleotides are linked together through covalent bonds between the sugar and phosphate groups, forming a sugar-phosphate backbone.

The specific sequence of nitrogenous bases in a DNA strand carries the genetic information. Adenine (A) pairs with thymine (T), and cytosine (C) pairs with guanine (G) through hydrogen bonding, forming the famous double helix structure of DNA.

Therefore, the strand "CCCAGATAA" is DNA.

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Answer:

a. carrying capacity

Explanation:

The dotted line in the graph below that represents the maximum limit of a population, is known as carrying capacity. So, the correct option is A.

The greatest number of a distinct organisms that can be supported by a given environment, given the availability of food, habitat, water, as well as other resources, is known as the carrying capacity of that ecosystem. The carrying capacity of a location is the greatest population size that can be supported before population growth stabilizes.

The typical population size of a species in a given habitat is referred to as carrying capacity. Environmental elements including sufficient food, shelter, water, or mates are able to control the population number of the species. The population will decline until the resource recovers if such needs are not supplied.

Therefore, the correct option is A.

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it's chromosomes, hope it helps

ABC transport systems are the transport system best suited for the transport of nutrients which are present at extremely low levels in environment. Thus, the correct option is D.

ABC transporter are the ATP-binding cassette transporters. It is a type of active transport as energy is required. ATP-binding cassette (ABC) transporter is a large superfamily of membrane proteins with diverse functions. They can use the energy gained from ATP hydrolysis for the trans-bilayer movement of substrates either into the cytoplasm or out of the cytoplasm.

As this transport system has periplasmic binding proteins which can be specialized in picking up the specific nutrients with the help of ATP, even at very low concentrations. This system can be used for transport of rare nutrients in cells.

Therefore, the correct option is D.

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Your question is incomplete, most probably the complete question is:

Which transport system is best suited for transport of nutrients present at extremely low levels and why?

A. secondary transport

B. translocase

C. phosphotransferase

D. abc transport

E. simple PMF transport

Answer:

From Red Giant to Supernova: The Evolutionary Path ofHigh Mass Stars. Oncestars that are 5 times or moremassive than our Sun reach the red giant phase, their core temperature increases as carbon atoms are formed from the fusion of helium atoms. ... When the core contains essentially just iron, fusion in the core ceases.

Answer:

Educators' Corner

Background: Life Cycles of Stars

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The Life Cycles of Stars: How Supernovae Are Formed

It is very poetic to say that we are made from the dust of the stars. Amazingly, it's also true! Much of our bodies, and our planet, are made of elements that were created in the explosions of massive stars. Let's examine exactly how this can be.

Life Cycles of Stars

A star's life cycle is determined by its mass. The larger its mass, the shorter its life cycle. A star's mass is determined by the amount of matter that is available in its nebula, the giant cloud of gas and dust from which it was born. Over time, the hydrogen gas in the nebula is pulled together by gravity and it begins to spin. As the gas spins faster, it heats up and becomes as a protostar. Eventually the temperature reaches 15,000,000 degrees and nuclear fusion occurs in the cloud's core. The cloud begins to glow brightly, contracts a little, and becomes stable. It is now a main sequence star and will remain in this stage, shining for millions to billions of years to come. This is the stage our Sun is at right now.

As the main sequence star glows, hydrogen in its core is converted into helium by nuclear fusion. When the hydrogen supply in the core begins to run out, and the star is no longer generating heat by nuclear fusion, the core becomes unstable and contracts. The outer shell of the star, which is still mostly hydrogen, starts to expand. As it expands, it cools and glows red. The star has now reached the red giant phase. It is red because it is cooler than it was in the main sequence star stage and it is a giant because the outer shell has expanded outward. In the core of the red giant, helium fuses into carbon. All stars evolve the same way up to the red giant phase. The amount of mass a star has determines which of the following life cycle paths it will take from there.

diagram of the life cycles of low and high-mass stars

The life cycle of a low mass star (left oval) and a high mass star (right oval).

The illustration above compares the different evolutionary paths low-mass stars (like our Sun) and high-mass stars take after the red giant phase. For low-mass stars (left hand side), after the helium has fused into carbon, the core collapses again. As the core collapses, the outer layers of the star are expelled. A planetary nebula is formed by the outer layers. The core remains as a white dwarf and eventually cools to become a black dwarf.

On the right of the illustration is the life cycle of a massive star (10 times or more the size of our Sun). Like low-mass stars, high-mass stars are born in nebulae and evolve and live in the Main Sequence. However, their life cycles start to differ after the red giant phase. A massive star will undergo a supernova explosion. If the remnant of the explosion is 1.4 to about 3 times as massive as our Sun, it will become a neutron star. The core of a massive star that has more than roughly 3 times the mass of our Sun after the explosion will do something quite different. The force of gravity overcomes the nuclear forces which keep protons and neutrons from combining. The core is thus swallowed by its own gravity. It has now become a black hole which readily attracts any matter and energy that comes near it. What happens between the red giant phase and the supernova explosion is described below.

Answer:

Odometer

It is measured by an instrument called odometer.

Answer:

Neuronal networks

Explanation:

Neuronal networks are made of neurones that give the ability of understanding relationship in a set of data. It functions in similar way to brain function.

Neuronal networks are able to adapt to changes in input and give appropriate output.

A simple example of neuronal network is a system made up of neurones at input layer, hidden layer, and output layer.

Self learning occurs in this network as it can use past experience to better respond to a given stimulus

the core theme of biology, which explains both the unity and diversity of life, is c. evolution

The interactions between organisms and their habitats, as well as the repercussions of these interactions over extended periods of time, cause evolution and variety. Creatures constantly adapt to their habitats, and the variety of environments available fosters a diversity of organisms that are suited to them.

There are genetic similarities between bacteria and mammals' DNA. Many aspects of cell structure exhibit unity. The term "common ancestry" refers to the fact that all living creatures, past, present, and future, share a common ancestor and are descended from the same person.

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Answer:

B

Explanation:

the only one that makes sense

Answer:

Visual binaries are two stars with a wide enough separation that both can be viewed through a telescope, or even with a pair of binoculars. Five to 10 percent of visible stars are visual binaries. Spectroscopic binaries appear close even when viewed through a telescope.

Explanation:

pls mark brainliest

Answer: The dinosaurs go extinct.

Explanation: It literally says right there