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What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?
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Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled
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Located at the epidermal-dermal junction of the skin. select all true statements about the transformation of melanocytes into abnormal cell
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Facts about precipitation maybe like 2???...
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