Biology, 03.05.2021 21:50 powellkhalil58
The heart pumps through the blood . the blood carries food and a gas called in one direction. it takes food, cells and the gas in another direction
Answers: 2
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 03:00
Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.
Answers: 2
Biology, 22.06.2019 13:00
What is the role of dna ligase in the elongation of the lagging strand during dna replication?
Answers: 1
The heart pumps through the blood . the blood carries food and a gas called in one direction. it t...
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Mathematics, 05.05.2020 19:33
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