Vercuronium and rocuronium are used to

Vecuronium and rocuronium are commonly used "non-depolarizing" neuromuscular blockers (NMBs).

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:

the electromagnetic energy from the sun arrives in the form of visible and invisible light.