Name The Year: Viking 2 soft lands on Mars (Utopia), returns photos.?

Questions

after what are the b52 bombers named?

Three hundred million of what die in the human body every minute?

Using morse code, what is transmitted using 3 dots, 3 dashes and 3 dots?

what two rivers join forces on the outskirts of st louis?

What Democratic hopeful's birth date received a draft lottery #311?