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Mantle material rises in convection currents because heated materials become more dense.
truth or false
Answers: 2
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In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.
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Biology, 23.06.2019 04:00, HalpMahOnMahH0meW0rk
Distinctions between earth’s crust and mantle are based on: a. rock types b. chemistry c. seismicity d. all of the above
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Biology, 23.06.2019 09:00, ddlc28
Bringing dinosaurs back to life may be science fiction, but the ability to recreate more recently extinct organisms—including those wiped out by the action of humans—exists. consider the possibility of scientists bringing back some extinct plants and animals. research the topic of de-extinction, and provide three potential problems that could arise from it.
Answers: 3
Mantle material rises in convection currents because heated materials become more dense.
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