Passive transport uses no energy because its moving molecules the concentration gradient while active transport uses energy because its moving molecule the concentration gradient.

with, against

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specific heat

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surface mining destroys mountain tops, landscapes, forests and wildlife habitats. on top of that, it leads to soil erosion and destruction of agricultural land. the landscape changes can also disrupt river channels and streams, which leads to flooding. which, can destroy plant life and other animals as well.

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