True or false the earth revolves around the sun in a nearly circular orbit.

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.

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?

Most of the carbon on earth is stored in the form of