Geologists successfully gave timely warnings of impending eruptions of Mount St. Helens and Mount Pinatubo
Indicate whether the statement is true or false
True
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Temperature is usually measured 20 meters above the ground in a sealed container
Indicate whether the statement is true or false.
Ocean currents owe their existence primarily to the rapid rotation of the earth about its axis
Indicate whether the statement is true or false
Thawing permafrost _______________
a. ?creates problems for oil pipelines, which run underground in high latitudes b. ?reduces climate change dangers by absorbing atmospheric heat c. ?increases climate change dangers by injecting warm water into the Arctic Ocean d. ?puts buildings at risk of damage, but does not disrupt transportation e. ?leads to a reduction in biodiversity by removing vegetation that protects snowbanks
Most of the fresh water on Earth is found in:
a. glacial ice. b. lakes. c. the atmosphere. d. rivers.