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Biology, 22.06.2019 04:30, Lindsay882
Why are scientists concerned about the depletion of the ozone levels in the stratosphere?
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Biology, 22.06.2019 09:20, milhai0627a
Which type of respiration takes place when there is no oxygen present? a. anaerobic b. mitochondrial c. cellular d. aerobica. anaerobic
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Biology, 22.06.2019 12:10, MIAkwicc39
What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.
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Biology, 22.06.2019 16:10, McKenzie8409
The source of energy shown in the image is (renewable, non renewable, polluting) a drawback of building a dam is that (it will destroy ecosystems, it requires fossil fuels, it wonβt be useful for irrigation)
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"the two strands of a dna double helix are held together by that form between pairs of nitrogenous...
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