verb - descend a rock face or other near-vertical surface by using a doubled rope coiled around the body and fixed at a higher point.
noun - a descent made by rappelling.
Muckalize means to damage or to make a mess of. Hope this helps! :)
The study of the structure an behaviour of the physical and natural environment by oberseving through scientficic instruments and through experiments.
A. using the dictionary is the only necessary step in the process of vocabulary building.
