Please help me

What is the best definition of detonation a.) the meaning of the word in a different language b.)the dictionary meaning of the word c.) the additional meaning that comes from the feeling one gets from a word d.) the meaning of irony

In the following sentences, commas are needed after which words? when the clark family planned their summer vacation to hell’s canyon they didn’t plan on having quite so many adventures. from the start they had to deal with a broken-down van a sick baby and torrential rains.

Which event triggers the main problem in the folktale? a a handsome prince is cursed by his stepmother b the horse provides beauty with a magical mirror c the merchant picks roses for beauty d a group of bandits attack the merchant