I think its c because coal isnt considered a mineral/rock because it is organic(?)
Basal sliding phenomenon helps glaciers move down the valleys of the southern Alps. Basal sliding is the action of the glacier moving down across the bed because of the melting of water below the ice moving as the lubricant.
Global climate change is when a change in weather appears in an area where it normally wouldn't. This is normally a change in the temperature, precipitation and/or wind. An example would be the ice caps melting in Antarctica because heat is making its way in where it should not be.
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