question: what can change an ecosystem?
choices.text: coliform negative feedback road bends draining erosion moving over land a forest fire Thunderstorms
choices.label: A B C D E F G H
fact2: Forest fires are examples of wildfires.
combinedfact: a forest fire can change an ecosystem
formatted_question: what can change an ecosystem? (A) coliform (B) negative feedback (C) road bends (D) draining (E) erosion (F) moving over land (G) a forest fire (H) Thunderstorms