Groundwater . forms when precipitation seeps into the soil exists above the earth's surface is impossible to pollute is not a usable water source for humans

Why do you think the puppy litter was all dark-haired?

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases