Which medium is denser between water and glass​

Which best describes how johannes kepler developed his laws of planetary motion

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.

Sugar is dissolved in water. which is the solute? sugar neither both water