A strand of human hair is known to increase by 2.5 percent as the relative humidity increases from 0 to 100 percent
a. True
b. False
ANSWER: True
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Which of the following is a way in which humans pay directly for the ecosystem services forests provide?
A) flood prevention B) biodiversity C) ecotourism D) water purification E) carbon storage
As sunlight enters the atmosphere, the shorter visible wavelengths of violet, blue, and green are scattered more by atmospheric gases than are the longer wavelengths of yellow, orange, and especially red, which is why the sky appears blue
a. True b. False
Joints are fractures along which there is:
a. displacement parallel to the fracture plane b. displacement perpendicular to the fracture plane c. oblique displacement along the fracture plane d. none of the above
Short duration, high intensity rainfall is associated most often with ____
a. a cold front b. a warm front c. continental polar air masses d. anticyclones e. stable air masses