Q: What do you call aquatic biomes in the ocean? Choices: - freshwater biomes - coastal biomes - ocean dwellers - marine biomes A:
marine biomes

(Question)
Q: Fluoride ion is widely used in water supplies to help prevent what? Choices: - rust - bacteria - chlorine taste - tooth decay A:
(Answer)
tooth decay

Ques: Q: What term is used to describe a cross between two individuals that have different traits? Choices: - assimilation - fraternization - purebreed - hybridization A:
Ans: hybridization

(Q).
Q: The number of neutrons and electrons may vary or change in an atom. what happens to the number of protons? Choices: - decreases - increases - depends - remains the same A:
(A).
remains the same

Ques:Q: What tool is useful for studying the ocean floor because the environment is remote and underwater? Choices: - microscope - telescope - scale - sonar A:

Ans:sonar

Q: About 20 percent of carbon dioxide is bound by hemoglobin and is transported where? Choices: - brain tissues - intestines - bones - lungs A:
lungs