Bacteria are able to undergo nitrogen fixation to change nitrogen gas into a form that can be used by plants.

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 of the follow describes a disadvantage secondary sources have compared to primary sources?

Which diagram best represents the chromosomes that would be found in a two new skin cells produced as a result of this process?