Alaw that set standards to minimize the surface effects of coal mining on the environment

'The Surface Mining Control and Reclamation Act of 1977 (SMCRA)' is a law that set standards to minimize the "surface effects of coal mining" on the environment.

Explanation:

The 'Surface Mining Control and Reclamation Act of 1977 (SMCRA)' has been in force for over 40 years now. This law ensures that coal mining activities don't interrupt or cause any harm to the natural habitats of different living beings around the mines. This act prohibits mining companies from carrying out "mining activities" in restricted areas like national parks and wildernesses.

Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.

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