Answer:
.
Explanation:
We are given that,
In △EFG,


To find: 
As we know that, angles opposite to the congruent sides of a triangle are congruent.
Thus, In △EFG
if
and 
then it implies 
Hence, we get
.
The atmosphere and Earth's interior are layered by density. Gravity pulls more strongly on denser materials so denser materials are at the center of things. Earth's core, at its center, is denser than its crust.
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.
Answer:
I believe it is b
Explanation:
The industrial revolution provided more jobs for people in factories for mass production, so people moved to cities to work in the factories.