The air in your classroom has
A) mass.
B) weight.
C) energy.
D) all of the above
E) none of the above
Correct Answer:
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Q2: Consider two mercury barometers, one with twice
Q3: Atmospheric molecules do not fly off into
Q4: In drinking soda or water through a
Q5: The energy source responsible for molecular motions
Q6: About what percentage of molecules in the
Q8: What approximate weight of air is in
Q9: Compared to the ocean, Earth's atmosphere is
Q10: Marshmallows in a vacuum become
A)larger.
B)smaller.
C)flat.
D)a hollow shell.
E)none
Q11: The weight of air in a column
Q12: When a suction cup sticks to a
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