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Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above
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Which of the following are causes of coastal erosion? check all that apply. beach grasses and other plants trap windblown sand. wave action carves away the coastline. groundwater under pressure is forced to earth’s surface. artificial structures stop the natural flow of sand along the coast. underground caves collapse as bedrock is dissolved.
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Biology, 22.06.2019 05:50
Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi
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How does the complexity of ecosystems contribute to their sustainability...
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