EXplain the causes of genetic erosion

Asap! how does the distance between two objects affect the force of gravity? how is the moon dependent on the sun?

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes