In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").
--------
Question: Riding a two wheeled human powered vehicle is good for the environment because (A) it runs without fuel (B) it helps people stay in shape (C) they are cheaper to maintain (D) they are more fun to drive

Answer: A


Question: An example of a house hold item that could be an insulator could be (A) Diamonds (B) Silver (C) Gold (D) Tupperware

Answer: D


Question: Brackish water is often found where (A) a sea is large (B) the ocean is deep (C) several large rivers meet (D) a river cuts through a canyon

Answer:
C