When a new viral infection appears in a population, scientists usually try to develop a vaccine against the virus. which substances would most likely be contained in the new vaccine? a. live bacteria that ingest virusesb. white blood cells from an infected individualc. weakened viruses associated with the infectiond. a variety of microbes that will attack the virus
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Biology, 22.06.2019 06:30
Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.
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Biology, 22.06.2019 07:30
The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?
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Biology, 22.06.2019 09:30
Natural resources are any materials that humans obtain from the earth to meet our wants and needs.
Answers: 3
When a new viral infection appears in a population, scientists usually try to develop a vaccine agai...
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