Which of the following causes desertification?
A. cutting of trees for firewood
B. overgrazing
C. flooding
D. overgrazing and cutting of trees for firewood
Answer: D
Environmental & Atmospheric Sciences
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An open system exchanges energy and materials with its surroundings
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
Mangrove trees grow in swampy salt water along ________.
A. tropical coasts B. crests of coral reefs C. areas of extreme evaporation and high salinity D. coasts with heavy surf E. temperate coasts
Environmental & Atmospheric Sciences
What is the order of Eons from oldest to youngest?
A. Phanerozoic, Archean, Cambrian B. Archean, Phanerozoic, Cambrian C. Cambrian, Archean, Phanerozoic
Environmental & Atmospheric Sciences
Climate and weather are two terms that can be used interchangeably because they mean the same thing
a. true b. false
Environmental & Atmospheric Sciences