Most biological productivity in the ocean occurs in the euphotic zone. Indicate whether the statement is true or false
ANS: T
The euphotic zone is the upper region of the photic zone. Autotrophs are able to capture enough
sunlight energy to easily conduct photosynthesis. Information can be found in the section Marine Life
Success Depends upon Physical and Biological Environmental Factors.
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Desertification can be caused by human activities.
a. true b. false
Which of the following is viewed as a fundamental building block of the U.S. economic way of thinking?
A. the principle of setting high toxic emission limits to preserve a healthy environment B. the belief that industry must be allowed to prevail over the environment C. the needs of both parties to a voluntary exchange must be completely satisfied D. the principle that a system of voluntary exchange benefits both parties
Why is the earth's core solid? (inner core)
What will be an ideal response?
"Night is winter" is best applied to the ________ climate
A) Af B) Am C) BWk D) Csa E) Dfa