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Which is a nonrenewable resource?
soil
fish
wood
coal

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.

All phases of matter may have a fixed mass

Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?