Earthquakes are generated by two types of low frequency waves. Indicate whether the statement is true or false
ANS: T
These waves are called seismic waves which radiate through Earth and reappear at the surface. The
two types are surface waves and body waves. Information can be found in the section The Study of
Earthquakes Provides Evidence for Layering.
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Best available economically achievable technology (BAT) standards are standards set for
A. Nonpoint pollution B. Radioactive waste, specifically C. All point sources D. Organic compounds E. Toxic substances
All of the following are approaches to reducing eutrophication except ________
A) planting and maintaining vegetation buffers around ditches and streams that trap nutrient and sediment runoff B) upgrading stormwater systems to capture runoff from roads and parking lots C) applying fertilizers to farmland just before heavy rains are predicted D) using artificial wetlands to filter stormwater and farm runoff E) reducing fertilizer use on farms and lawns
The countries of eastern Eurasia were at one time referred to as the Orient, from the Latin word for "facing the east" or "facing the sunrise"
Indicate whether the statement is true or false
In which of the following conditions are chinook winds driest on the eastern side of the Rocky Mountains?
A. when the winds blow from the east B. when clouds form and precipitation falls on the upwind side of the mountains C. when the sun is shining D. when the air aloft is cold