Which element makes up more than half of the human body?
A) calcium
B) hydrogen
C) oxygen
D) carbon
E) nitrogen
Correct Answer:
Verified
Q61: H2CO3 is
A) sulfuric acid.
B) carbonic acid.
C) carbolic
Q62: A reaction of a strong acid and
Q63: What substances will release hydrogen ions when
Q64: If a molecule contains carbon and at
Q65: Substances that give up an electron to
Q67: A buffer system
A) makes new hydrogen ions.
B)
Q68: Smoke from fossil fuels, motor vehicle exhaust,
Q69: Proteins that speed up reactions are known
Q70: HCl in the stomach acts to
A) neutralize
Q71: Fluid inside most human cells is about
A)
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