Which of the following is an example of the principle of uniformitarianism?
A) Earth's geological history is mostly uniform and homogeneous, existing now as it mostly always has with the exception of minor recent changes.
B) Catastrophic events, such as major landslides, earthquakes, and volcanic episodes, are the primary drivers of geomorphological change.
C) The processes by which streams carve valleys at present are the same as those that carved valleys 500 millions years ago.
D) It is not possible to know how Earth processes have changed overtime, therefore it is not possible to deduce how Earth's ancient landforms evolved.
C
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The combined evidence of physical and biological events preserved in rocks is called the
geologic record. Indicate whether the statement is true or false.
Hadley cells at the equator consist of
A) rising, moist air that produces precipitation and rain forests, and falling, dry air associated with deserts. B) rising, dry air associated with deserts and falling, moist air that produces precipitation and rain forests. C) warm, moist air rising up the sides of mountains and cool, dry air descending on the leeward sides. D) cool, dry air rising up the sides of mountains and warm, moist air descending on the leeward sides.
An aerovane is commonly used to measure:
A) wind direction only. B) wind speed only. C) both wind direction and wind speed. D) pressure gradient force only.
Humus is associated with a ________
A) light color B) low cation exchange capacity C) "hard" consistency D) dark, gelatinous consistency E) low soil fertility