Which is the first step in the scientific method? ask a question conduct background research construct a hypothesis perform an experiment

first step is to conduct a background research

answer; /// i believe that the correct answer is (50%);

answer: after carbon dioxide enters the leaf through stomata it moves into the mesophyll cells where photosynthesis occurs and glucose is constructed. respiration occurs when glucose (sugar produced during photosynthesis) combines with oxygen to produce useable cellular energy.

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