In order to prevent complete depletion of the Ogallala Aquifer, farmers drawing water out would need to reduce their use of the aquifer immediately by how much?

who knows

explanation:

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.

what school and grade?

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.