Annual temperatures in North America typically reach their maximum at the end of July, and not during the June 21st solstice when insolation is greatest. Why is there this "lag" of more than a month between maximum insolation and maximum air temperatures?

What must happen for new french words to be published in official dictionaries? a. they must be approved by the french academy b. they must be voted on by the people of france c. they must be used by famous french writers d. they must be used by philosophers a. they must be approved by the french academy