What trait is found in many organisms that live in hot environments?
A. They have more A-T pairs in their DNA.
B. They have more G-C pairs in their DNA.
C. Their DNA is supercoiled.
D. They have a double nucleus.
Answer: C
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Water at 4°C that slightly decreases in temperature
A. contracts. B. expands. C. neither of these D. none of the above
How did orogens in the Pacific region differ from the Himalayan orogeny?
a. Both orogenies were due to subduction, but volcanism was much more extreme in the Himalayan regions.
b. The Pacific orogenies resulted from continental-continental collisions. c. The Himalayan orogeny resulted from subduction. d. The Pacific orogenies resulted from subduction. e. Both orogens were the result of continental-continental collisions, but the Himalayan mountains are much taller.
The statements below concern the pressure-wind relationship in the atmosphere. Mark each as true or false
________ The horizontal variation in air pressure causes the wind. ________ Air moves from low pressure to high pressure. ________ Strong wind is caused by large horizontal pressure differences. ________ High pressure promotes rising air. ________ Low pressure promotes sinking air. What will be an ideal response?
A previously undiscovered fault may be detected in a ____ event
a. ?normal thrust b. ?reverse thrust c. ?liquefaction d. ?blind thrust e. ?strike-slip