question: As part of an experiment, an astronaut takes a scale to the Moon and weighs himself. The scale reads 31 pounds. If the astronaut has a mass of about 84 kilograms, which are the approximate weight and mass of the astronaut when standing on the Earth?
choices.text: 31 pounds and 14 kilograms 31 pounds and 84 kilograms 186 pounds and 14 kilograms 186 pounds and 84 kilograms
choices.label: A B C D