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c.building immunity towards diseases
Answer:
Energy transferred during a chemical reaction. ... In an exothermic reaction, the potential energy of the system goes down, and heat is given out. In an endothermic reaction, the potential energy of the system goes up, and heat is taken in.
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Answer:
different traits inherited by pffspring have different survival values
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Answer:
Study it under a microscope!
Explanation:
Any organisms in the pond water are more than likely very, very small! Microscopic, even;)