That's the most amazing skateboard trick i've ever seen! " my friend tommy said. "that's "
a. unbelievable
b. belief
c. disbelieve
d. believable

How can you avoid the problem of groupthink? a. by choosing a group leader to direct the group b. by composing the team of only like-minded individuals c. by encouraging all members to voice their opinions d. by keeping quiet when you disagree with another group member's opinion