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").

[Q]: Fact1: if fossils of a water animal or plant are found in a place then that place used to be covered by water in the past, Fact2: Marine fossils found in the interior of the continent., Question: Why are marine fossils in the interior of a continent? (A) erosion from rivers (B) It used to be covered by water (C) They evolved to be land animal (D) basic building blocks of life (E) They washed ashore (F) the wearing away of rock (G) Land animals ate them (H) units of heredity
[A]: B


[Q]: Fact1: heat can change the state of matter, Fact2: Matter exists in a solid, liquid or gas state and can change forms., Question: _ can change liquid to gas. (A) magnetism (B) cycles (C) energy (D) vapors (E) condensation (F) gravity (G) thirst (H) Heat
[A]: H


[Q]: Fact1: friction causes the temperature of an object to increase, Fact2: Friction Rubbing an object on another object can produce friction., Question: what does rubbing an object on another object cause that object to do? (A) heat production (B) heat is produced (C) sandpaper (D) It gets heated up (E) decrease in temperature (F) explode (G) heat the body (H) increase in temperature
[A]:
H