In an energy pyramid, which level has the most available energy? A. Producer level
B. First level consumer
C. Second level consumer
D. Third level consumer

and after water is usually warmed by the sun the water temperature raises and then evaporates .

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.