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: fog is formed by water vapor condensing in the air, Fact2: Water vapor rises into the atmosphere., Question: what does the atmosphere do before turning into fog (A) adapt (B) rest (C) Rise (D) fall (E) cooled (F) snow (G) swirl (H) Lift
C

Fact1: RNA is a small molecule that can squeeze through pores in the nuclear membrane., Fact2: Like proteins, DNA and RNA are polymers of various small chemically related molecules., Question: polymers of various small chemically related molecules can squeeze through pores in the what? (A) protein channel (B) transportation (C) nuclear membrane (D) interior chambers (E) nucleus (F) dermal & vascular tissue (G) cell division (H) Microscopic vessels.
C

Fact1: skin is used for breathing air by frogs, Fact2: For example, the frog is covered with skin that is porous to air., Question: Frogs breathe through their skin, which is what? (A) poured (B) filtered (C) fibrous (D) warm (E) unique (F) evolving (G) porous (H) fermented

G