Which gas in Earth's atmosphere helps living things make proteing?
O oxygen
O nitrogen
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Biology, 05.02.2021 21:30 Dariana123
Which gas in Earth's atmosphere helps living things make proteing?
O oxygen
O nitrogen
water vapor
O carbonoxide
Answers: 3
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Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules
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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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