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").

Q: Fact1: Evolution occurs in response to a change in the environment., Fact2: Evolution Evolution is the changing pattern of life forms., Question: what happens in response to change in environment? (A) Plant growth is reduced (B) the wearing away of rock (C) lifeforms change their pattern (D) antimatter (E) density changes (F) Warm air moving into cold air (G) erosion from rivers (H) gravity changes

A: C
****
Q: Fact1: tectonic plates being pushed together causes earthquakes, Fact2: Plate Tectonics Movement of earth's surface reflects large scale convection of upper mantle., Question: What could happen because of movement in the upper mantle? (A) Earthquakes (B) Water expanding (C) Floods (D) Wildfires (E) erosion (F) Tornados (G) heating liquids (H) Movement

A: A
****
Q: Fact1: chemical weathering causes iron in rock to oxidize, Fact2: Also pyrite within the altered wall rock is oxidized to limonite, geothite and hematite., Question: chemical weathering causes what to change to limonite (A) pyrite (B) growth (C) Collagen (D) fibrous (E) cellulose (F) soil (G) cracks (H) calcite

A:
A
****