Biology, 05.03.2021 02:20 ajfijeoinf2750
What do both mechanical and chemical weathering have in common? A- they make the rock weaker and easier to erode. B-Nothing-they are completely different PLEASEE HELPP PLZZ
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Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.
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Biology, 22.06.2019 12:30
Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled
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Biology, 23.06.2019 01:30
Why does sexual reproduction increase the genetic variation in a species? a. sexual reproduction doubles the chromosome number. b. sexual reproduction produces organisms with no dna. c. the gametes in sexual reproduction are exact clones of the parents. d. a fertilized egg has a mixture of alleles from the two parents.
Answers: 1
What do both mechanical and chemical weathering have in common? A- they make the rock weaker and eas...
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