I think it’s A or c but I’m not so sure
Answer:alveoli; lactiferous ducts
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Answer:
species
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please mark me brainliest and 5 star
Answer:
Hibernation is a way animals conserve energy to survive adverse weather conditions or lack of food. It involves physiological changes such as a drop in body temperature and slowed metabolism. Research into the processes involved in hibernation could result in medical benefits for people
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