Answer:
Clear cuts are areas from which every tree has been cut down and removed, in a shelterwood system the old stand is removed in a series of cuttings to promote the establishment of an essentially even-aged new stand under the shelter of the old one, and uncut forests are just your average wild woods, left alone and was never bothered with.
for a simpler answer: clear cuts are clear areas, shelter wood are slight cuts, removing some trees for an environment such as parks and backyards, and uncut forests are wild forests that has no trees cut down.
To calculate the water's salinity
by Elena
Water is considered polar because of the overall charge is unevenly distributed
