Ascientist wants to predict the weather which sphere should he study?

What are transitions between a liquid and a solid called? identify which way they are transitioning

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.

List the path of the respiratory system