Answer:
normalize making more reserch
Answer:
Sunlight exposure will change
Explanation:
If you are testing growth on amount of sunlight, the amount of sunlight received by the plants is the only thing that changes.
The things that remain the same should be,
-soil
-amount of water
-Same seeds
It would be epithelial tissue that covers it.
Answer:
the answer is B
Explanation:
plants need carbon dioxide to be able to produce anything
