question: A mineral is scratched in order to rank it on what scale?
choices.text: stoma properties Mohs attributes eight bone scratch weater
choices.label: A B C D E F G H
fact2: For ranking the hardness of minerals, the Mohs scale is generally used.
combinedfact: To rank a mineral on the Mohs scale, one must scratch it.
formatted_question: A mineral is scratched in order to rank it on what scale? (A) stoma (B) properties (C) Mohs (D) attributes (E) eight (F) bone (G) scratch (H) weater