Fresh water is a limited resource because a. most water is polluted.
b. most surface water contains salt.
c. it is controlled by powerful governments.
d. dams have limited the flow of fresh water.

Astudent conducts an experiment to determine how the amount of water given to a plant affects it growth what is the dependent variable for this experiment

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic

If t=tall and t=short what will be the physical appearance of the offspring the cross below? a.some will be tall and some will be short b.they will all be tall c.they will all be short d.they will be medium height