Plz help this needs to be two paragraphs

Iknow #2 is d. i just need to know why

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.