Pollution in the air causes acid rain. And limestone is a calcium carbonate compound, which is an alkali. So when an acid and alkali mixes together, you get a reaction. Which is dissolution. Dissolutions causes the outside layer to dissolve, resulting in mush.
Answer:
Perihelion
Explanation:
Aphelion is the point of the Earth's orbit that is farthest away from the Sun. Perihelion is the point of the Earth's orbit that is nearest to the Sun.
I hope this is what you were looking for. If not then very sorry. I'm just going off of my prior knowledge.
B dry because winter and summer are dry
Answer:
The boundaries where the tectonic plates meet are the areas of the world with the most violent natural earthquake activity. When the plates grind against each other along plate boundaries, the rocks are under so much pressure that sometimes they heat up and fold, creating mountain ranges, hills and valleys.
