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Biology, 21.06.2019 15:30
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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What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.
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Biology, 22.06.2019 03:30
Which of the following typically characterizes a tropical rainforests
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Biology, 22.06.2019 08:00
What are the student's observations and inferences before he starts his investigation?
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How is an allele described?...
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