Answer all of these :)

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

In pqr m< p=60 m< q= 30 and m

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together