Biology, 04.08.2019 20:00 allenpaietonp9v8sv
Ais a barrier that holds back water from a river. a.) barricade b.) dam c.) desalination plant d.) hydro-cyclone
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Biology, 21.06.2019 23:00
Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?
Answers: 3
Biology, 22.06.2019 00:00
Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.
Answers: 1
Biology, 22.06.2019 09:00
Which two criteria must be met before scientist can use radiocarbon dating? explain your answer
Answers: 3
Ais a barrier that holds back water from a river. a.) barricade b.) dam c.) desalination plant d.) h...
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