Which of these is a pure substance a. solid gold b. 10 caret gold c. ocean water d. cake mix

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?

How do symptoms created by inflammation the doctor

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?