Which of the following correctly compares how plant and animal cells differ?
a. plant cells have chloroplasts and mitochondria for energy, but animal cells do not have mitochondria.
b. plant cells have a cell membrane and cell walls for support, but animal cells do not have cell walls.
c. plant cells have ribosomes for synthesis, while animal cells have the golgi apparatus.
d. plant cells have many small vacuoles for storage while animal cells have one large central vacuole.

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?

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

Which prefix mean under less or below