if someone knows biology can you please go look at my questions in my profile please! their worth 10 points

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.

How does human environment effect the biosphere

Nh3 +02-no + h20 is unbalanced what is the balanced equation