Three percent of the water on earth is freshwater. less than 0.5% of all the freshwater on earth is found a) underground. b) in aquifers. c) in rivers and lakes. d) frozen, in ice caps and glaciers. i think its d but i'm not sure.

Atype of organism that no longer exist on earth is said to be

Which pair of chromosomes determines sex in humans? a.15th b.1st c.23rd

Based on the body structures of these animals, which two conclusions are scientifically the skeletal structure of the gorilla and chimpanzee suggest a common evolutionary ancestry. the dog and frog share a closer evolutionary ancestry than the gorilla and chimpanzee. the dog is more closely related to the frog than it is to the chimpanzee. all four organisms share a common vertebrate ancestor.