Biology, 02.08.2019 19:00 bommat1085
Which of the following statements is true? only a few species have become extinct in the past 500 years. there have only been two mass extinctions in earth's history. the worst mass extinction was the most recent involving the dinosaurs. scientists believe human destruction of the environment is causing another mass extinction.
Answers: 1
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During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent
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Biology, 22.06.2019 06:30
Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?
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Biology, 22.06.2019 11:40
What are some possible consequences of preventing prescribed burns and natural wildfires
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Which of the following statements is true? only a few species have become extinct in the past 500 y...
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