The expansion of deserts into once populated areas is known as ________.

A. rain shadow effects
B. desertification
C. deflation
D. desert migration
E. sahel formation


Answer: B

Environmental & Atmospheric Sciences

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The process by which loose sand from a beach or desert is converted into a solid rock called sandstone is an example of ____.

a. lava
b. evaporite
c. lithification
d. mafic
e. metamorphism

Environmental & Atmospheric Sciences

Hurricane warnings

A) are given if a hurricane is expected to make landfall in more than 24 hours. B) are given only for hurricanes exhibiting regular behavior. C) are less accurate now than they were 20 years ago. D) are issued with an eye toward balancing the economic costs of preparing for a hurricane versus the probability the hurricane will actually hit the projected target area.

Environmental & Atmospheric Sciences

Which of the following best matches the description?Biome that has a long growing season, supports trees, has a change of seasons, and relatively evenly distributed annual precipitation.

A. euphotic B. periphyton C. tundra D. grassland E. phytoplankton F. deciduous forest G. boreal forest H. biochemical oxygen demand I. desert J. benthic K. savanna L. littoral zone M. pelagic N. pioneer community O. marsh

Environmental & Atmospheric Sciences

The primary agent of contact metamorphism is ________

A) strain B) folding C) heat D) stress

Environmental & Atmospheric Sciences