Help please brainliest involved
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Answers: 2
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
Answers: 2
Biology, 22.06.2019 10:10, dpazmembreno
(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.
Answers: 1
English, 19.02.2020 16:54
Mathematics, 19.02.2020 16:56
English, 19.02.2020 16:56
Mathematics, 19.02.2020 16:56