How do air masses affect the weather of a region

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

Can someone answer all these questions i need it done by tonight. once again

Abird flies at a speed of 75 metres per second for 15 seconds, how far does the bird fly