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").
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Question: Fact1: Freshwater biomes have water that contains little or no salt., Fact2: Biomes are global ecosystems., Question: what is freshwater habitats that contain little or no salt? (A) Animal survival (B) allow growth (C) weathering (D) atmosphere (E) loose soil (F) ecosystems (G) salt and water. (H) oceans

Answer: F


Question: Fact1: Male dogs use pheromones in urine to mark their territory., Fact2: During Urination Dog's urine is used as a scent marker for other dogs., Question: How do male dogs mark their territory? (A) Chemical energy (B) Hot dog eating contest (C) Adequate signage (D) with their fur (E) Scent marker (F) heat produced (G) mate with females (H) Paint

Answer: E


Question: Fact1: Population size influences the chances of a species surviving., Fact2: Each species lasts for a time, sometimes surviving to the present and sometimes going extinct., Question: what influences the chances of going extinct? (A) cloud cover (B) Population size (C) Pollution (D) Pesticides (E) rainfall (F) risky population (G) Climate change (H) the environment

Answer:
B