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The fact that tectonic plates drift influences evolution by ____.
Q13: The biome with the highest diversity is
Q18: Your text indicates that economic systems take
Q24: The United States has about 4.4% of
Q32: Desert ecosystems are fragile for which of
Q37: What is a result of phosphate rich
Q43: Levees built along rivers _the rivers from
Q48: In the United States,how many citizens belong
Q55: What percentage of the world's known plant
Q62: Which environmental NGO helped U.S.citizens organize massive
Q68: Scientists have changed their view about a