Modern tsunami warning systems primarily use ________.
A. webcams and airborne drones
B. sea surface buoys and ocean bottom pressure sensors
C. spotters in airplanes
D. LIDAR and reports from Coast Guard ships
E. satellite photography and radar
Answer: D
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Evidence that we are living unsustainably includes which of the following?
a. Renewable forests are shrinking. b. Topsoil is eroding, and the lower atmosphere is warming. c. Deserts are expanding. d. Deserts are shrinking. e. Deserts are expanding, renewable forests are shrinking, topsoil is eroding and the lower atmosphere is warming.
Most weather occurs in this temperature-characterized atmospheric layer, the ________
Fill in the blank(s) with the appropriate word(s).
During some years, the northern hemisphere has more than 10 semipermanent highs and lows
a. true b. false
In order to determine how far lightning is from your observation point
A) count the seconds from flash-to-bang and divide by ten. B) count the seconds from flash-to-bang and divide by five to get miles. C) listen to your AM radio and count the seconds from loud static to hearing the thunder and divide by ten. D) count the seconds from flash-to-bang and divide by 30.