2. The nucleus of an atom contains 1 point
O protons and neutrons
protons and electrons
O neutrons and electrons
O protons, neutrons, and electrons

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

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

What are levels of ecology and how can we remember them