prevents damaging bone-to-bone contact within movable joints.

Explanation:

Cartilage: A type of connective tissue, cartilage cushions bones inside your joints, along your spine and in your ribcage. Firm, rubbery cartilage protects bones from rubbing against each other.

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.

explanation:

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