(Q).
Q: What is composed of a calcium cation and a nitrate anion? Choices: - calcium carbonate - dynamite - nitrous oxide - calcium nitrate A:
(A).
calcium nitrate

(Q).
Q: What do you call the folded layers of rock where geologists look for oil? Choices: - oscillations - synclines - crests - anticlines A:
(A).
anticlines

(Q).
Q: What kind of reproduction requires the fusion of male and female gametes? Choices: - autonomous reproduction - asexual reproduction - subject reproduction - sexual reproduction A:
(A).
sexual reproduction