Which kind of rock often forms caves?
A. Granite
B. Shale
C. Sandstone
D. Limestone
Answer: D
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The multicelled fauna of the Neoproterozoic is known from all continents except Antarctica, and is collectively
referred to as the ____________________. Fill in the blank(s) with the appropriate word(s).
A plane takes off from City A headed for City B, located directly to the north. The pilot flies directly north following a straight line, but arrives at a city some distance to the west of City B. What can be said of the airplane?
A) It probably has a broken compass. B) It was blown off course by upper atmospheric winds. C) It was flying in the Southern Hemisphere. D) It was flying in the Northern Hemisphere.
Given current technologies, humans have a realistic chance of escaping to another hospitable planet.
Answer the following statement true (T) or false (F)
If you fall into a crevasse, what is the maximum depth you are likely to fall?