When Freddy Frog drops vertically from a tree onto a horizontally-moving skateboard and doesn't slip off, it is likely due to
A. inertia in motion.
B. impulse.
C. friction between his feet and the board.
D. momentum change.
Answer: C
Environmental & Atmospheric Sciences
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The world's most important energy resource today is
A) coal. B) petroleum. C) wind. D) nuclear. E) natural gas.
Environmental & Atmospheric Sciences
Diamond can cut through quartz. What does this suggest?
A) Quartz is very weak. B) Diamond is very strong. C) Quartz is somewhat weak and diamond is somewhat strong. D) Both are very weak but diamond is only a bit strong.
Environmental & Atmospheric Sciences
Complete the following nuclear equation:?? ? 
At + 
e
A.
 Rn |
B.
PoC.
 At |
D.
RaE. none of the above
Environmental & Atmospheric Sciences
Corbusier wanted to rebuild the core of Paris into a radiant city of tall glass offices and apartments
Indicate whether the statement is true or false.
Environmental & Atmospheric Sciences