1) what is another name for the water cycle?
2) what does it mean by dynamic balance?
3) explain the following cycles
a oxygen
b. nitrogen
c. carbon
d. phosphorus
5) what are producers and consumers?
6) what is the gia theory?
7) what is a feedback loop?
8) what are macronutrients?
9) what part do scavengers play in the cycling of nutrients?
10) what determines the rate at which the nutrients cycle?