How did scientists determine how old the ocean floor is?
O A. Watching it grow
O B. Testing...
Biology, 30.04.2021 21:30 elysabrina6697
How did scientists determine how old the ocean floor is?
O A. Watching it grow
O B. Testing radioactive materials
O C. Asking other scientists
O D. Making a guess
Answers: 3
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This is the amino acid cysteine. circle the amine group, put a box aroundthe carboxylic acid group and use a different colored pencil/pen to circle the sidechain (r group). h o | ||nh2— c- c-oh | ch2 | sh
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Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.
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