Biology, 11.02.2020 04:26 skywil8981
Who proposed that all of the present continents were once joined together in a single supercontinent called Pangaea? Select one: a. Alfred Wegener b. Charles Darwin c. Arthur Holmes d. Harry Hess
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Biology, 21.06.2019 21:00
This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment
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Biology, 22.06.2019 04:30
Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.
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Biology, 22.06.2019 15:50
The structure of a dna molecule is best described as a. one long strand of nucleic acids b. two strands of dna nucleotides joined by hydrogen bonds c. two strands of amino acids joined by hydrogen bonds d. one long strand of amino acids
Answers: 1
Who proposed that all of the present continents were once joined together in a single supercontinent...
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