Biology, 23.07.2019 15:30 xXCoryxKenshinXx
Name the particle in the nucleus of an atom that gives the nucleus a positive charge: a. proton b. photon c. neutron d. electron
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Biology, 21.06.2019 19:30
What makes the results of a scientific experiment accurate? a) having multiple trials b) lacking any supporting data c) working in a lab d) using a hypothesis that is always true
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Biology, 22.06.2019 10:00
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
Name the particle in the nucleus of an atom that gives the nucleus a positive charge: a. proton b....
Mathematics, 18.11.2020 20:10
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