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 seismograph is used for measuring the size of an earthquake, Fact2: Magnitude a measure of earthquake size., Question: Seismographs measure what aspect of earthquakes? (A) Major effects (B) magnitude (C) Otoacoustic (D) power (E) classified (F) specialized (G) lifespan (H) their speed
B

Fact1: Evolution occurs in response to a change in the environment., Fact2: Evolution Evolution is the changing pattern of life forms., Question: what happens in response to change in environment? (A) Plant growth is reduced (B) the wearing away of rock (C) lifeforms change their pattern (D) antimatter (E) density changes (F) Warm air moving into cold air (G) erosion from rivers (H) gravity changes
C

Fact1: better senses have a positive impact on an animal 's survival, Fact2: Animals behave in a variety of ways which enhance their chances of survival and reproduction., Question: Animals with better what have a positive chance of reproduction? (A) hormones (B) senses (C) glycogen (D) traits (E) pigeons (F) standards (G) morals (H) ideas

B