911 IN TEST NOW. PLEASE HELP select the correct answer from each drop-down menu.

when raymond observes certain natural phenomenon, he often forms ideas about his cause and effect. Suppose that Raymond sure misses that leaves change color in Autumn due to scarcity of sunlight. in order to test whether his ideas accurate, he must first construct a falsifiable _ (theory, law, hypothesis) that Define a clear relationship between two variables. Raymond's next step is to _ (design an experiment, complete mathematical calculations) that would isolate and test the relationships between the two variables. This task can be pretty daunting because Raymond will need to identify and eliminate any _ (confounding, dependent, independent) variables that could confuse test results.​