Biology, 21.01.2021 08:30, rodneydean4515
What do Ice core samples with lower ratios of O-18 to O-16 isotopes tell scientists about past climates?
less oxygen content
lower water temperatures
higher water temperatures
more carbon dioxide
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Biology, 22.06.2019 00:30, Likat681
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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