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: an earthquake causes the ground to shake, Fact2: Seismic waves are produced by earthquakes., Question: Seismic waves cause what to shake? (A) earth (B) body water (C) wind (D) tremors (E) sunlight (F) the ground (G) Sediment (H) rocks
F

Fact1: satellites are used to take images from space, Fact2: Satellite images are digital photographs., Question: Satellites are used to take what from space? (A) rapid changes occur (B) snow, ice, and rock (C) trees and flowers (D) painters (E) occurs over a wide range (F) digital photographs (G) digital files (H) photographers
F

Fact1: cutting down trees has a negative impact on an ecosystem, Fact2: If trees are cut or burned, the carbon is released back into the atmosphere., Question: Releasing what can have a negative impact on an ecosystem? (A) disease (B) viruses (C) A virus (D) Carbon (E) tar (F) toxins (G) herbicide (H) vehicles

D