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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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Biology, 21.06.2019 22:00
An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?
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Biology, 22.06.2019 09:00
What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water
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Biology, 22.06.2019 13:00
Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.
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Genetic codes contain ....
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