Indicate whether or not the following functions are performed by the excretory system. excreting waste materials
excreting blood
maintaining pH balance
maintaining body temperature
maintaining salt balance
maintaining hormone levels
maintaining water balance

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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explanation:

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