13. most of earth's fresh water is
a. suspended in atmospheric cloud formations.
b. held in reservoirs behind large dams.
c. solidified at the north and south poles.
d. stored in large underground rock structures.

Darius is observing a family of geese, which includes a male goose, female goose, and several goslings. when a dog approaches the geese, the male goose hisses at the dog and flaps its wings threateningly. is the behavior of the male goose an example of an adaptation?

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?