What are the rules about how they interact
(how do they work together)?

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

Mendel used over 28,000 pea plants in his experiment. how does this large sample size make his results more reliable? (i'm not sure about this one)

Soils, fertilizers, and pesticides erode and are transported by surrounding waterways to a different location. which of the following is where they will most likely end up? a) they will be found on a faraway beach. b) they will be carried by a river and then deposited in the delta area. c) they will be found in mountainous regions. d) they will become airborne and travel with the wind around the earth.