What is the approximate diameter of a mature hurricane?
A) about 1000 km
B) more than 1000 km
C) about 600 km
D) 50 km or less
E) 50 -100 km
C
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What was the primary reason that the beaver and songbird populations were also diminished from the area?
A) The wolf population was feeding on the beaver and songbirds. B) The rivers were full of sediment, making it difficult for beaver to swim and songbirds to drink water. C) The elk population was feeding on the beaver and songbirds. D) The temperatures in the area were warming, making it difficult for the beavers and songbirds to survive in warmer weather. E) The plants that the beaver and songbirds ate were diminishing, because of the elk's increased herbivore pressure.
Soils will develop at faster rates in which of the following environments?
A) Hot and dry B) Warm and humid C) Cold and dry D) In areas where they can develop directly from bedrock, regardless of climate conditions
You are hiking on a mountain trail at sunrise when you smell the smoke from cooking bacon. You can't see where the smoke is coming from. Would you expect the camp to be above you or below you on the mountain? Explain
What will be the ideal response?
Jupiter's moon, Io, has no impact craters. This means that the moon
a. has been protected from meteors by Jupiter b. is geologically active. c. has too little gravity to attract meteors. d. has a liquid sulfur surface.