I think this is A but I'm not 100% sure (:
<h2>The answer is:</h2>
Expansion and cracking
<h2>Explanation:</h2>
Whenever water freezes, it is expanded about 9 percent. Since the water in moist concrete freezes it producing pressure in the pores of the concrete. The collective effect of freeze-thaw cycles and disruption of aggregate can eventually cause expansion and cracking, scaling, and crumbling of the concrete that is formed from moist.
Answer:
The streaks made by the limonite are yellow, and the streaks made by Mary and Jim’s sample are brown. Therefore, they are not the same mineral. The rock is not made of limonite.
Explanation:
PLATO
I think it would be: weathering, Deposition
Weathering and erosion
are very similar