What is present in all organic compounds?
A) hydrogen
B) carbon
C) oxygen
D) nitrogen
Correct Answer:
Verified
Q39: Which statement best describes a synergistic effect?
A) It
Q40: What is atomic mass equal to?
A) the sum
Q41: What uses low-quality energy?
A) electric motors
B) furnaces for space
Q42: Which complex compound is matched with its
Q43: The manufacture of one plastic soda pop
Q45: What is the relative energy quality of
Q46: The spectrum of electromagnetic radiation released by
Q47: What is included in all organic compounds?
A) cadmium
B) hydrocarbons
C) hydro-oxygens
D) carbon
Q48: What is the best example of low-quality
Q49: Which statement is a valid conclusion based
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