Answer:
DNA stores an organism’s genetic code.
they use the waves that are formed to see and learn about the different layers there are in Earth's crust
Answer:
Explanation:
Ozone is a gas composed of three atoms of oxygen. Ozone occurs both in the Earth's upper atmosphere and at ground the level.Ozone at ground level is such a harmful air pollutant, because of its nasty effects on people and the environment, and it is the main ingredient in a type of air pollutant called “smog."
I think its option b, may carry out nitrogen fixation.