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 seismometer is used to measure the strength or magnitude of an earthquake, Fact2: Earthquakes are measured on a scale of 1 to 10., Question: How do we grade earthquakes (A) Seisometers (B) Cladistics (C) feedback (D) Measuring the ground (E) Check out the sky (F) classified (G) Taking temperature (H) the Himalayas
A

Fact1: Ants communicate with chemicals called pheromones., Fact2: Ants communicate with the colony in the form of what is called pheremon trails., Question: Ants communicate with the colony using what? (A) Electrical energy (B) Chemical energy (C) visible energy (D) Decibels (E) pheremon traits (F) heat energy (G) refraction of light (H) mechanical waves
E

Fact1: Any antigen that causes an allergy is called an allergen., Fact2: Antigens are proteins foreign to the body., Question: An allergen is a type of (A) single cell microorganisms (B) occurs over a wide range (C) melanin content (D) protein foreign to the body. (E) specialized cells (F) a small molecule (G) inherited antigens + antibody (H) chemical messengers

D