Which excerpt from a concluding paragraph about banning plastic bags is written in a formal tone? (1 point)

Americans use 100 billion plastic bags each year. We must step up our game and stop using so many single-use plastic bags.

O Plastic bags should seriously be banned from all stores across the United States.

O Like I said, plastic bags are terrible and absolutely shouldn't be used by anyone.

O Bringing reusable bags to the grocery store is one way the average citizen can help reduce the use of plastic bags.

Bringing reusable bags to the grocery store is one way the average citizen can help reduce the use of plastic bags.