who is katie she or he i dont know and im not acusin gender because they are taking my awsers down so i need awser will give branlist and no wasting time or points

Why do businesses rely more on teamwork in today’s business environment? a. teams need fewer instructions. b. teams facilitate learning. c. teams create a harmonious environment at the workplace. d. the team’s collective output is greater than the total of each individual’s output. e. teams require lesser supervision