Which ingredient is necessary for photosynthesis? water
carbon dioxide
sunlight
all of the above​

Melissa lives in a town called greendale. she discovers that when she lights a match and holds it near her kitchen faucet, the little flame grows into a larger fire. melissa is surprised because she thought the water would extinguish the flame rather than ignite it further. her mother tells her that the water might be contaminated with dissolved methane, a primary component in natural gas. melissa investigates the matter and finds that cases of methane contamination started shortly after a company began fracking for natural gas in the area. based on this information, which three statements are plausible consequences of fracking in greendale?

Environmental impacts on evolution : mastery test

How does the color of light affect the germination time (amount time a plant takes to develop) of a radish seed?