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: Gene flow occurs when individuals move into or out of a population., Fact2: Community health focuses on the health of populations or groups., Question: Individuals who move into or out of a community increase: (A) homogeneity (B) energy usage (C) power (D) monoculture (E) competition (F) adding heat (G) population (H) gene flow
A:
H