The usefulness of blotting techniques in molecular biology is that A) spills of hazardous chemicals are minimized
B) transferred material is in the same relative position on the disk as on the original sample
C) it directly gives rise to a genetic map
D) only the substance of interest is transferred to a nitrocellulose disk

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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.

explanation: