The first electron energy shell of an atom contains one electron orbital that can hold up to two electrons, and the second energy shell contains four electron orbitals that can hold up to electrons total.

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.

What types of energy transfers and energy transportations are involved in the domino chain reaction?

The distribution of related animals and plants across the world