Enzyme is lock or Key?

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite