Answer
Feldspar a common mineral found in rocks have two cleavage plane and can be cleaved in two directions nearly at right angle . Mica is a group of sheet silica that have perfect basal cleavage plane, and can be cleaved only in one direction.
its obviously not child labor or economy based because those have nothing to do with the environment so its the other three.
This property of water affects life on Earth because it<span> floats on the surface, sustaining life at the bottom of lakes and oceans</span>
