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Biology, 22.06.2019 10:00, nyasiasaunders1234
Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins
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Biology, 22.06.2019 11:30, taylor5384
Which is the best example of plant tissue? the answer is d (just took the test)
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Marcie is trying a new cookie recipe. she wants to see if the amount of baking powder she uses will...
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