Which punctuation mark is required an introduction phrase

What do you think about world hunger? what could we do to make it better or fix it to where people are getting the things they need? what would you do?

Keeping wolves as pets is wrong. wolves are not pets. they're wild and natural-born killers. people who keepwolves in captivity are self-centered and vain. they thinkit's some kind of status symbol to own a wolf. but wolvesneed to roam free, participate in the thrill of the hunt, filltheir bellies with raw meat, and socialize with their packmates. which type of appeal does the passage primarily use? oa. ethos

Select the dangling modifier in the paragraph. yesterday was a rough day. running for the bus, the rain began to pour. then, at guitar lessons, i had to play a song i hadn’t practiced. while walking home, i turned my ankle. my swollen ankle caused me to limp.