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In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring
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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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This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants
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Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse
Answers: 1
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