Astudent is measuring plant growth in an experiment. using the same species of plant, he places one plant in the dark and one in artificial light. he hypothesizes that, over time, the plant in the artificial light will grow to a greater extent than that in the dark. what is the independent variable in this experiment?

amount of food
plant growth over time
species of plant
type of light environment

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?

Anybody who knows ap biology, can you friend or message me

What sre the effects of hemolytic disease of a newborn