Is a type of learning in which a neutral stimulus comes to bring about a response after it is paired with a stimulus that naturally brings about that response. select one:

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 type of pollution does household garbage cause

2. which is the last step in the scientific method?