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What is proposed to have form nucleic acids in the absence of enzymes in prebiotic earth?
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Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.
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Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?
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Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.
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Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases
Answers: 1
What is proposed to have form nucleic acids in the absence of enzymes in prebiotic earth?...
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