Acceleration is caused by which force?

gravity

energy

friction

velocity

Which of the following is not a way in which a vascular plant's xylem and phloem are similar?

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.

In what layer of the sun is energy transfers between atoms