Completed 0 of 10 questions.
how much of a cell is made of water?
Three important parts of the water cycle are:
how does vapor from the clouds become rain?
where does most of the water go after it is precipitated?
what is transpiration?
Three forms of precipitation are:
water take these three forms:
under normal circumstances, does the amount of water on Earth change?
what living things need water?
evaporation occurs because