It would most likely be the last one. Erosion is effectively the process of natural forces breaking down rock or soil, which allows it to move from place to place with the aid of forces like wind or water. I would say the answer would be the first one, but it only says rock, while erosion can affect more than just rocks. Hope this helps.
1. Destruction on land - Lava, Lava rocks flying
2. Pollution - The smoke in the air
3. The environment surrounding the volcano
Geography uses other subject in it's studies. Very close to geography are geophysics and geology. Geophysics studies quantitatively physical phenomena of the planet Earth, geology studies composition of soil rocks and their development through history. Geography uses biology, statistics, mathematics and other subjects in order to better describe the Earth.
It is a completely false statement that a <span>pond is a small body of water that is too shallow to permeate, and the lake is a large body of water that is deep enough for sunlight to permeate. The correct option among the two options that are given in the question is the second option. I hope the answer has helped you.</span>