Q: Does the word "air" mean the same thing in "I need some fresh air." and "A smell of chemicals in the air."?

A: the same meaning

Q: Does the word "time" mean the same thing in "He waited a long time." and "He had a time holding back the tears."?

A: different meanings

Q: Does the word "keep" mean the same thing in "Keep count." and "Keep appointments."?

A: different meanings

Q: Does the word "carry" mean the same thing in "I carry these thoughts in the back of my head." and "Amanda carried the package from home to New York."?

A:
different meanings