In which thermal atmospheric layer is one likely to find noctilucent clouds?
A) thermosphere
B) mesosphere
C) exosphere
D) stratosphere
E) troposphere
B
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An object is propelled along a straight-line path in space by a force. If the mass of the object somehow becomes twice as much, its acceleration
A) quadruples. B) doubles. C) stays the same. D) halves. E) none of the above
Earthquakes can cause _______________ in which soil that is ordinarily stable behaves like a fluid
Indicate whether this statement is true or false.
The mass of an atom of 12C is exactly 12 atomic mass units. Which of the following describes a mole of 12C atoms?
A) a sample which contains 6.02 x 10^23 atoms of 12C B) a sample which weighs exactly 12.011 grams C) both a and b D) neither a nor b
The main destruction from shield volcanos like Kilauea in Hawaii is slow burial of man-made feature by lava rather than explosive volcanic activity
Indicate whether the statement is true or false