B.should be *columnar, but C.Circular is the answer
Acid rain slowly dissolves rocks due to chemical reactions between the acid and the minerals in the rock. Differential Weathering: Softer, less resistant rocks wear away at a faster rate than more weather resistant rocks. More exposure to acid rain results in more rapid weathering.
multiplying terrorist to power 23, divided by 96. Multiplied by 12.7. so this is 76.48
