The correct answer is B. Oxygen.
Oxygen, as a part of the atmosphere, also participates in UV protection, besides being necessary for breathing.
Answer:
<u>Shrinking habitat because of habitat distruction,</u> is changing the geographic range of koalas. Because of this koalas are coming in contact with humans and domestic animals and getting hurt/killed while searching for food since there isn't enough in the wild.
A directional movement of water is ocean currents
Refracted, true,d,c,a,true,false,c,b,d
Answer:
how old the star is
Explanation:
There are many characteristics that affect the brightness of stars. If two stars are the same temperature, same age, and same distance from the Earth, the larger one will appear brighter. If the temperature, age, or size is different, the one closest to Earth will appear brighter, even if that is the smaller one.