Q: What is the most important element to life? Choices: - oxygen - hydrogen - nitrogen - carbon A:
carbon

(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

Ques: Q: What kind of volcanoes often form along divergent plate boundaries? Choices: - composite - dome - crest - shield A:
Ans: shield

(Q).
Q: Which process helps bacteria in the gut break down the remains of the digested food? Choices: - synthesis - decomposition - oxidation - fermentation A:
(A).
fermentation

Ques:Q: The what is the number of wave cycles that pass a specified point in space in a specified amount of time? Choices: - vibrancy - intensity - density - frequency A:

Ans:frequency

Q: What is magnetism produced by electricity called? Choices: - electrical attraction - momentum - excitation - electromagnetism A:
electromagnetism