Detailed Instructions: In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Problem:Fact1: erosion causes a river to become deeper and wider, Fact2: Water and the Nile River are important to Egypt., Question: Erosion causes the Nile to become: (A) Sediment (B) shallower (C) less wide (D) deeper and wider (E) homogenous (F) colder and wetter (G) faster (H) Physical weathering
Solution:
D