Please answer the question like not just a bunch of random stuff please actually answer it

Who gave the famous "i have a dream" speech at the march on washington?

What can you conclude about the information given here ? a)juveniles must testify in court b)adults are held to a lower standard c)the state guarantees that juveniles have legal rights much like those of adults d) punishment for juveniles violators are much more strict than those for adults

What happens after a star goes supernova? just wondering! [tex]supernova [/tex] answer asap i really wanna know!