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Classify these substances as acidic, basic, or neutral: vinegar, baking soda, tomato juice, sugar
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Biology, 21.06.2019 17:00
Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d.the size of the geographic area inhabited by a population can cause speciation.
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Why are scientists concerned about the depletion of the ozone levels in the stratosphere?
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The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.
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Biology, 22.06.2019 09:00
Which of these transport mechanisms moves glucose from the blood into a cell? active transport diffusion facilitated diffusion osmosis
Answers: 1
Classify these substances as acidic, basic, or neutral: vinegar, baking soda, tomato juice, sugar...
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