Biology, 27.01.2021 17:00 nicollexo21
If significant amounts of fossil fuels continue to be used to support energy needs, what will be a negative impact for our planet?
A. a decrease oxygen levels, leading to lower air quality
B. increased air pollution, leading to better human health
C. decreased water quality, leading to increases in marine diversity
D. increased levels of carbon dioxide, leading to warmer global climates
Answers: 1
Biology, 22.06.2019 00:10
Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase
Answers: 1
Biology, 22.06.2019 00:50
What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.
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Biology, 22.06.2019 14:30
Asegment id dna that is artificially created from two or more organism through use of dna enzymes in a laboratory is called a segment of dna that is artificially created from two or more organisms through use of dna enzymes in a laboratory is called
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Biology, 22.06.2019 17:00
Which of the following terms would bb represent in an organism? a.phenotype b.genotype c.genetics
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If significant amounts of fossil fuels continue to be used to support energy needs, what will be a n...
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