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멘토영어학 234쪽입니다! 혹시 b랑 c는 왜 비문일까용??

thin air? Abiogenesis is the natural process by which life arises from non-living matter, such as simple organic compounds. The transition from non-life to life has never been observed experimentally, but many proposals have been made...

and possibly other) gradients in the gastric mucus112. Motility can be inhibited in vitro by small molecule compounds that reduce H. pylori colonization density, which may be a future treatment approach113. 운동성 편모에 의한 운동성은 H...

to urban air pollution. Major pollutants from cars, trucks, and motorcycles—such as NOx and volatile organic compounds (VOCs)—interact with sunlight to form ground-level ozone, a key smog component. Factories and power plants...