Identify and change it to active or Passive voice:

1. He was just a teenager when he died.
2. It also uses more sophisticated tools, including medical technology.

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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