Can anyone me with this? due today

By comparing part 1 and 2 of polar opposites what does it mean by polar opposites

Write four sentences that incorporate ‘imagery’ (all of your senses) to describe a place that you like to visit.

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