The first organisms that oxygenated the atmosphere were
cyanobacteria
phototrophic organ...
Biology, 09.08.2019 18:20 habsofarah0
The first organisms that oxygenated the atmosphere were
cyanobacteria
phototrophic organisms
anaerobic organisms
all of the above
Answers: 1
Biology, 22.06.2019 06:30
If animal agriculture was eliminated, how much grain would become available for human consumption?
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Biology, 22.06.2019 06:30
Is there any solid scientific evidence that humans have been cloned?
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Biology, 22.06.2019 08:30
What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna
Answers: 2
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