Q: What is the rising and sinking of warm and cooler material called? Choices: - depression - conveyance - diffusion - convection A:
convection

(Question)
Q: The cochlea and vestibul make up what part of the ear? Choices: - middle - upper - outer - inner A:
(Answer)
inner

Ques: Q: Dense connective tissue contains more collagen fibers than does loose connective tissue. as a consequence, it displays greater resistance to what? Choices: - freezing - contracting - stiffening - stretching A:
Ans: stretching

(Q).
Q: Polar molecules result from differences in electronegativity of what in the molecule? Choices: - ions - protons - iron - atoms A:
(A).
atoms

Ques:Q: Different feeding "positions" in a food chain or web are associated with what kinds of levels? Choices: - benthic - autotrophic - heptic - trophic A:

Ans:trophic

Ques: Q: As a polycrystalline material solidifies, grains with irregular shapes form. the interfaces between grains constitute grain what? Choices: - waves - patterns - obstacles - boundaries A:
Ans:
boundaries