The idea that everything is made of small particles is
A) a useful idea that is known for certain to be true.
B) still only a tentative speculation made by many scientists.
C) a useful theory, but not known for certain.
D) false and no longer used by scientists.
E) not yet widely accepted.
Correct Answer:
Verified
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A) the
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A) O2.
B) N2
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A) a compound.
B)
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A) 1000 watts.
B) 1,000,000 watts.
C)
Q22: Why is it so difficult to remove
Q23: Chemically, clean [non- polluted] air is
A) a
Q24: The length of your arm is closest
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