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").

Fact1: a mirror is used for reflecting light, Fact2: Light seems to travel in rays or beams., Question: what can a mirror be used to reflect? (A) noble gases (B) air particles (C) glass (D) focusing a lens (E) rays or beams (F) photons (G) sun's heat (H) an electron lens
E

Fact1: rain causes erosion, Fact2: Erosion of dunes leads to erosion of the beach and of the Island., Question: What can destroy dunes? (A) wind (B) fire (C) turtles (D) storms (E) clams (F) heat (G) rain (H) grain
G

Fact1: a graduated cylinder is used to measure volume of a liquid, Fact2: Gasoline is an example of a liquid mixture., Question: A graduated cylinder can be used to measure volume of (A) rain (B) water vapor (C) Bodily water (D) Water (E) blood (F) solutes (G) ocean water (H) Gasoline

H