I'm doing an experiment where I wanted to determine which dog food most dogs would choose if they were given a choice. I placed Brand #1 in a bowl and Brand #2 in another bowl 5 feet from the first bowl. I recorded the number of dogs that chose each brand. What are some controlled variables I would have to consider?

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.

explanation:

golgi body just took the test on edge

energy and particles