The basal beds of the Kaskaskia Sequence are ____
A)basalts
B)halite evaporite beds
C)barrier reefs
D)shales
E)well-sorted quartz sandstones
E
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The non-Hispanic white population of the United States
A) lives overwhelmingly in eastern United States B) is decreasing as a percentage of the total population due to higher death rates than birth rates C) currently is already in a minority status D) is currently increasing as a result of immigration E) will probably achieve minority status by 2050
What is one reason why the U.S. East Coast has so many bays and islands?
A) The land has been uplifted by recent faulting. B) The land has been downdropped by recent faulting. C) Water released from melting glaciers raised sea level. D) A large tsunami from a meteoroid impact scoured the coastline.
The largest single source of materials causing acid rain is residential heating furnaces
Indicate whether the statement is true or false
Which of the following is NOT true about heat stress?
A) Heat stress can results in cramps, exhaustion, and even heat stroke. B) The National Weather Service reports a heat index to cause the human body's probable reaction to the combined effects of temperature and relative humidity. C) Heat stress can lead to potentially life-threatening conditions. D) Heat stress poses little threat to human health.