Comparisons between photosynthesis and a computer, primary production. in essay form.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

supercell thunderstorms are perhaps the most violent of all thunderstorm types, and are capable of producing damaging winds, large hail, and weak-to-violent tornadoes

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.

it's c.us forest service