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: Biodiversity increases the productivity and stability of ecosystems., Fact2: Ecotourism, on the other hand, can help to conserve biodiversity., Question: What increases the stability of ecosystems? (A) overpopulation (B) water consumption (C) loose soil (D) Quality of life (E) agriculture (F) deforestation (G) ecotourism (H) trees
G

Fact1: heating salt water causes the water to evaporate while the salt remains, Fact2: Flash evaporators are used to make fresh water from salt water., Question: Doing what to salt water causes the water to become fresh water? (A) watershred (B) freezing (C) Regrows it (D) migrate (E) pouring (F) heating (G) cooling (H) erosion
F

Fact1: Blood type is important for medical reasons., Fact2: If there was a serious emergency, the team knows who has compatible blood types., Question: Knowing who has compatible blood is important for what? (A) financial reasons (B) protection (C) medical reasons (D) communication (E) fetal development (F) therapy reasons (G) Prevent injuries (H) private reasons

C