How are hydrogen ions (h+) essential for the production of atp.

In the water cycle , when does water undergo a chemical change

What materials must dams have to produce electricity, and what must occur?

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water