The Biosphere 2 experiment could be seen as a failure, or it could be seen as an affirmation that nature is exceedingly complex and should not be degraded or destroyed. How do you view Biosphere 2? Explain your answer.
What will be an ideal response?
The answer may take several directions. It should include some acknowledgement of unintended consequences, and the limits of our knowledge about how the environment works. The limitation of both our experience and knowledge of the complexity of systems this large may also play a part.
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A steep walled defile with a V-shaped profile and narrow valley floor would, according to the geomorphic cycle, be in the ______ stage,.
a - mature b - old age c - equilibrium d - peneplain e - youthful
Dinosaurs are examples of ____
a. fish b. invertebrates c. amphibians d. reptiles e. mammals
The U.S. Surface Mining Control and Reclamation Act of 1977 requires ________
A) 20% of sales revenues to be donated to national park maintenance B) mining companies to post bonds to cover restoration of mined areas before permits are granted C) restoration of the identical ecosystem and biodiversity present before mining began D) no remediation of water pollution, except in the case of uranium mining E) all mined minerals to be processed and sold only within the United States
Atmospheric air pressure always ____________________ with height
Fill in the blank with correct word.