If a bunch of keys represents a cell, what does each key in the bunch represent? an atom a molecule a tissue an organ

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?

During sunny hours, a large amount of build up between the hours of 1: 00-5: 00 pm. a. ozone b. mercury c. lead d. sulfuric acid

Granite rock is light in color. which feature directly contributes to this color? the process that forms granite the amount of silica minerals in granite the shape of the grains found in granite the unique pattern formed by grains in granite