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Biology, 21.06.2019 13:30
Plzz hurry im being timed during times of vigorous physical activity, muscles require a constant supply of oxygen. how does the body respond to these needs? a. breathing rate and heart rate both decrease. b. breathing rate and heart rate both increase. c. heart rate decreases, but breathing rate remains stable. d. breathing rate increases, but heart rate remains stable.
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Animals such as pronghorn antelope, bison ans badgers dot to the landscape. where are these animals located?
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Which is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil
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Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air
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Who should the student label each circle in this digram...
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