Q: Because the earth is covered with vegetation, cellulose is the most abundant of all what? Choices: - impurities - vegetables - rocks - carbohydrates A:
carbohydrates

(Question)
Q: In which part of the ear are the vibrations amplified by the malleus, incus, and stapes? Choices: - inner ear - outer ear - major ear - middle ear A:
(Answer)
middle ear

Ques: Q: What hormone, which is associated with luteinizing hormone and male sexuality, helps bring about physical changes in puberty? Choices: - steroids - epinephrine - estrogen - testosterone A:
Ans: testosterone

(Q).
Q: Compounds with metals and nonmetals sharing electrons are known as what kinds of compounds? Choices: - acids - atoms - eons - ions A:
(A).
ions

Ques:Q: What kind of charge does a proton have? Choices: - ionic - constant - negative - positive A:

Ans:positive

Q: Extrusive igneous rocks are also called what? Choices: - metamorphic - agates - magma minerals - volcanic rocks A:
volcanic rocks