question: What can cause a forest fire?
choices.text: trailers and boats static electricity plasma and formed elements Being over land thermal expansion a surface not sterilized microbes and mussels Two or more sets of alleles
choices.label: A B C D E F G H
fact2: Static electricity is the cause of lightning.
combinedfact: Static electricity can cause a forest fire.
formatted_question: What can cause a forest fire? (A) trailers and boats (B) static electricity (C) plasma and formed elements (D) Being over land (E) thermal expansion (F) a surface not sterilized (G) microbes and mussels (H) Two or more sets of alleles