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What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen
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The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation
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What organ is the first to receive nutrients that have been absorbed from the digestive tract?
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Biology, 22.06.2019 13:00
Facilitated diffusion move large molecules and/or polar molecules across the cell membrane. what does facilitated diffusion use to do this?
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In which tissue system would you find root hairs and the epidermis? a. apical meristem b. ground ti...
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