One positive effect of devolution is that it helps maintain a cohesive state. This means that it helps the state remained unified.
The answer would be <span>Cattle</span>
A rock on Earth's surface tends to be weathered more because it is exposed to wind, precipitation, and the effects of gravity. A rock buried underground does not experience weathering from wind, precipitation, or gravity.

subtract 8 from both sides leaving

combine -2x+-8x =-10x

divide both sides by ten