Before the 1960s, how did geologists view the ocean basins and continents of the Earth?
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The energy associated with motion is called:
A) vibrational energy B) molecular motion energy. C) potential energy. D) kinetic energy.
Given that climate correlates closely with vegetation, what letter approximates the type of vegetation you would see for an Am climate?
A. A B. B C. C
Which substance is a colorless, odorless, and highly toxic gas that forms during the incomplete combustion of carbon-containing materials?
A. carbon monoxide (CO) B. chlorofluorocarbons (CFCs) C. carbon dioxide (CO2) D. methane (CH4) E. ozone (O3)
Historical records of volcanic eruptions ____
a. ?are used effectively by land use planners and developers b. ?cannot be used for prediction since volcanoes are inherently unpredictable c. ?are effective in identifying areas at risk for volcanic dangers d. ?are difficult to obtain since they depend on written history e. ?are easily used to accurately predict the time of an eruption