I dunno ♀️ what about you dude
Answer:
B. created by man made dams
Answer:
W°= 136
Explanation:
Here,
we get:
The base angles equal since it is isosceles triangle.
W°=68+68 (the exterior angle is equal to the sum of its two opposite interior angles.)
=136
Answer:
C.They are made mostly of limestone.
Explanation:
Valley regions are mostly made up of limestone. the valleys of Ridge and Valley region are made up of sedimentary rock such as Limestone, dolomite, and shale. These limestone are extracted from these valley and use in the production of gypsum and other industrial products. Valleys are present at various height above sea level.
