Which of the following is not true about unmanned aerial vehicles (drones)?
A) deployed in Pakistan since 2004
B) used by U.S. Coast guard and city police
C) authorized by U.S. House Resolution #658
D) unauthorized for use by Canadian border agency
E) none of the above
Answer: D
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Which of the following combinations represents two cloud types that can produce precipitation?
A. cumulonimbus and stratocumulus B. nimbostratus and altostratus C. cumulonimbus and nimbostratus D. nimbostratus and cirrus
When water is removed faster than it can be recharged, sediments may become compacted in a process called ____
A)intrusion B)demarcation C)desalinization D)subduction E)subsidence
The oldest ________ is approximately 4.4 billion years old and was found in ________.
A. fossil; Scotland B. rock; Canada C. mineral; Australia D. isotope; Greenland E. unconformity; Hawaii
Which state of the following has deposits of anthracite coal?
A) Wyoming B) Pennsylvania C) Illinois D) Michigan