Sep 3, 2019 · You can help by learning about and practicing the three R's of waste management: Reduce, reuse, and recycle! Practicing all three of these activities every day is not only …

There are 3 black hats and 2 white hats in a box. Three men (we will call them Tom, Bob, and Bill) each reach into the box and place one of the hats on his own head. They cannot see what …