Choose the best sentence that can be made from the words given.
everyone / pick up / one piece of trash / a day / about 6.6 billion pieces less
If everyone picked up one piece of trash a day, there would be about 6.6 billion pieces less. When everyone will pick up one piece of trash a day, about 6.6 billion pieces would be less. Because everyone picks up one piece of trash a day, about 6.6 billion pieces is less. Unless everyone picked up one piece of trash a day, there will be about 6.6 billion pieces less.