In the following question, two statements numbered I and II are given. There may be cause and effect relationship between two statements. These two statements may be the effect of same cause or independent causes. These statements may be independent causes without having any relationship. Read both the statements and mark your answer accordingly.
Statement I: Subsidence is the sinking of the ground because of the underground material movement
Statement II: Land subsidence occurs when large amount of groundwater have been withdrawn from certain types of rocks, such as fine-grained sediments.