Some protists use sunlight and produce high energy organic molecules which are considered as food for other organisms. These protists undergo what chemical reaction in order to produce this chemical energy?

bc blah

explanation:

bc blah

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.

im not intirely sure but i think the anwser is d relative humidity