Q: The majority of solids are what in nature? Choices: - gases - complex - liquids - crystalline A:
crystalline

(Question)
Q: Gastropods, cephalopods, and bivalves are examples of what class? Choices: - animals - invertebrates - cetaceans - mollusks A:
(Answer)
mollusks

Ques: Q: Rudolf virchow developed the hypothesis that cells only come from other cells in what year? Choices: - 1898 - 1868 - 1848 - 1858 A:
Ans: 1858

(Q).
Q: What form does formaldehyde take at room temperature? Choices: - solid - liquids - plasma - gas A:
(A).
gas

Ques:Q: On what basis are lipoproteins classified? Choices: - diameter - mass - weight - density A:

Ans:density

Q: What type of compound contains atoms of two or more different elements in its ring structure? Choices: - aldehyde - polymer - hydrocarbon - heterocyclic A:
heterocyclic