Where do freshwater come from

How many molecules are in 6.0 moles of methane

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.