The answers are
1. nitrogenous
2. acid-base
3. fluid
Answer:
Taxonomy- The science of naming and classifying organisms based on structural comparisons and genetic evidence.
Explanation:
Correct: The sun is the center of the solar system. It is mostly gas. It is the most massive object in the solar system.
Answer:
incoming Paleoindians, the first Americans, who allegedly hunted them to extinction.
