Valles Marineris is the most striking example of a(n)
A) scarp.
B) shield volcano.
C) oceanic trench.
D) impact crater.
E) rift valley.
E
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The ozone layer lies at the boundary of the stratosphere and mesosphere
Indicate whether the statement is true or false
The most metal-rich terrestrial planet is
A) Mercury. B) Venus. C) Earth. D) the Moon. E) Mars.
An ideal gas is at a pressure 1.00 × 105 N/m2 and occupies a volume 2.00 m3. If the gas is compressed to a volume 1.00 m3 while the temperature remains constant, what will be the new pressure in the gas?
A) 2.00 × 105 N/m2 B) 4.00 × 105 N/m2 C) 1.00 × 105 N/m2 D) 0.500 × 105 N/m2 E) The answer depends on the mass of the gas particles.
A high-resistance material is used as an insulator between the conductors of a length of coaxial cable. The resistance material, which forms a hollow tube, has an inner radius a and an outer radius b, and the insulator provides a resistance R between the conductors. If a second insulator, made of the same material and having the same length, is made with double both the inner radius and the outer
radius of the first, what resistance would it provide between the conductors? a. R b. 2 R c. 4 R d. (ln2)R e. R/(ln2)