True.
In the upper layers of the atmosphere, it blocks UV radiation from the sun; however, in the lower layers, it is a pollutant.
Answer:
Air pressure is caused by the weight of the air molecules above
Explanation:
Air pressure is caused by the weight of the air molecules above. Even tiny air molecules have some weight, and the huge numbers of air molecules that make up the layers of our atmosphere collectively have a great deal of weight, which presses down on whatever is below.
The Tricuspid Valve<span>. The tricuspid </span>valve<span> is the three-leaflet </span>valve<span> on </span>the right<span> side of the heart between </span>the right<span> atrium and </span>the right ventricle<span> and stops the </span>backflow of blood<span> between the two. I hope this helps!!</span>
Answer:
economic and everything
Explanation:
If one population dies out, all the populations that depend on that species for food may also die out. A change in one population affects the entire community because all the populations of a community depend on each other. ... A population is all the members of one type of organism living in an ecosystem.
As a population grows in an area, a population may experience the effects of increased densities. In a given area, is the maximum population size of the species that the environment can sustain is called the carrying capacity. Carrying capacity is determined by the amount of available resources (food, habitat, water).