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: Soil can be depleted of nutrients., Fact2: Dirt is really misplaced soil., Question: When gardening what can be depleted of nutrients? (A) fertilizer (B) bacteria (C) the plant (D) coal (E) pine (F) the dirt (G) Acids (H) water
F

Fact1: Earth 's tilt on its rotating axis causes seasons to change, Fact2: Weather changes from season to season., Question:  Earth 's tilt on its rotating axis causes changes in what (A) weather (B) sunlight (C) Joules (D) wind (E) heat (F) climate (G) energy (H) earth
A

Fact1: Birds are endothermic tetrapod vertebrates., Fact2: Some birds fly and some birds swim, but all birds have feathers., Question: Some aviary species fly and others swim but, all endothermic tetrapod vertebrates share what trait? (A) warm-blooded (B) Weight (C) fur and fat (D) sweating (E) Epidermis (F) feathers (G) retina (H) four limbs

F