Which of the following is thought to have enriched ocean floor sediments with rare-earth elements?
A) Clathrate formation
B) Deep-sea hotsprings
C) Groundwater leaching
D) Nodule and crust creation
E) Sea floor methane seeps
B
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The 1969 National Environmental Policy Act
A. established the Environmental Protection Agency. B. designated federal agency procedures for rulemaking and enforcement. C. requires the U.S. federal government agencies to consider environmental consequences of the rules they make. D. addressed many ocean resources issues.
This is a process in which a more powerful ethnic group forcibly removes a less powerful one in order to create an ethnically homogeneous region
A) Irredentism B) Ethnic cleansing C) Nationalism D) Jihad E) Centrifugalism
The World Meteorological Organization (WMO) collects data from over ________ land and ocean locations
Fill in the blank(s) with the appropriate word(s).
If stagnant air is trapped in the lung alveoli, the air sac swells and
A. The walls of the alveoli break down and are no longer able to exchange gases B. Cells die from lack of O2 C. Cells die from lack of nutrients D. Blood circulation is blocked E. All of these occur