Can someone explain this? i think it’s the first one and last one but i’m not sure

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

The process of replication is the same for all living things because

Hydroelectric uses moving water to do work such as grinding grains in a mill true or false