What are two examples of high friction?

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Name the element in group 17, period 2. (periodic table)

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