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: Viruses are so small that they can be seen only with an electron microscope., Fact2: Electron microscope is developed in Germany., Question: viruses are so small that they can be seen only with a device developed where? (A) A computer (B) sunlight (C) Light (D) germany (E) retina (F) at home (G) canada (H) taiwan
D

Fact1: threatening behavior by predators causes a porcupine to extend its quills, Fact2: Puffers are smooth skinned while Porcupines have the characteristic spines or quills., Question: What does a porcupine do with its spines when it's threatened? (A) killing insects (B) Shoot them (C) kill them (D) protect them (E) Extend them (F) Shed them (G) Retract them (H) behave
E

Fact1: Meiosis is the type of cell division that produces gametes., Fact2: Examples of gametes are ova and spermatozoa., Question: What does meiosis cell division produce? (A) Chemical energy (B) rapid expansion (C) ova and spermatozoa (D) it keeps an organism warm (E) Plant reproduction (F) graptolites (G) photosynthesis (H) allow growth

C