Normal atmospheric pressure is
a. 14.7 psi
b. 1 N/m2
c. zero
d. 760 mm of mercury
e. 101,000 pascals
f. none of the above
A, D, E
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A lunar eclipse can only occur when the Moon is ____
a. full b. new c. waxing d. waning e. rising
The composition of Earth's atmosphere has not changed since its formation.
Answer the following statement true (T) or false (F)
How many types of quarks are there, and how many types of antiquarks?
A.) 24 quarks and 24 antiquarks. B.) 12 quarks and 6 antiquarks. C.) 6 quarks and 6 antiquarks. D.) 3 quarks and 3 antiquarks. E.) 30 quarks and 0 antiquarks.
The attraction of the Moon causes tides on Earth. Because of friction, tidal action slows the rotation of Earth. What happens to the angular momentum of the Earth-Moon system, and does this affect the motion of the moon?
What will be an ideal response?