If you traveled to another earthlike planet with an ocean, how could you determine if tectonic plates and plate tectonic movement existed?
a) Look for mountain ranges, oceanic ridges, oceanic trenches, and volcanoes
b) From satellite imaging, observe a jigsaw fit of the continental edges
c) Check seismic readings for earthquake activity
d) All of the above
D
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What allocates resources?
A) The economic system of supply and demand B) The amount of easily accessible resources C) The impact of mining operations on an ecosystem D) None of these choices
Those countries of the world that have surpluses of food are fortunate because none of their people go hungry
Indicate whether the statement is true or false.
An adjective describing fragmental materials, such as ash, explosively erupted from volcanoes:a
metamorphic d. cementation b. intrusive e. sedimentary c. pyroclastic
At approximately which latitudes do air masses sink?
A) ?0° and 45° N&S B) ?0° and 60° N&S C) ?30° N&S and 90° N&S D) ?30° N&S and 60° N&S