Question: Q: What forms when there is a difference in temperature between the land and the air? Choices: - smoke - tsunamis - sandstorms - fog A:
Answer: fog

Question: Q: Sympathetic stimulation also triggers the release of epinephrine and norepinephrine, which enhance both cardiac output and what else? Choices: - vasodilation - inhibition - digestion - vasoconstriction A:
Answer: vasoconstriction

Question: Q: Compounds containing an atom of what element, bonded in a hydrocarbon framework, are classified as amines? Choices: - oxygen - hydrogen - ammonia - nitrogen A:
Answer:
nitrogen