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: Biomass is the total mass of organisms at a trophic level., Fact2: Producers make up the first trophic level, primary consumers the second, and so on., Question: What is the total mass of primary consumers (A) Plants (B) animals (C) food (D) Mountains (E) Biomass (F) decreases (G) all matter (H) Weight
E

Fact1: cooking food requires adding heat energy, Fact2: Meat is a nutrient-dense food., Question: what requires adding heat energy to cook? (A) edible (B) corn (C) apples (D) coffee (E) making (F) trout (G) sugar (H) meat
H

Fact1: sweat is used for adjusting to hot temperatures by some animals, Fact2: Adjusts controls to regulate temperature and humidity of animals' quarters., Question: What is used to adjust controls to regulate temperature? (A) glass (B) motors (C) neurons (D) power (E) copper (F) sweat (G) forces (H) keratin

F