What is the sun's apparent path through the sky in the northern hemisphere

Identify and describe two ways the water cycle affects the salt levels in the ocean

How do antiviral drugs work? in your own words.

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.