WONDER #2395: How Do You Clean a City?

Question 1 of 3

This Wonder was mostly about...

1. what makes Singapore one of the cleanest places in the world.
2. how much better cities of the future will be.
3. how to recycle.
4. ways to clean a city.

Question 2 of 3

Which of these is an example of a job that helps clean cities today?

1. Window Washers
2. Sanitation Workers
3. Street Sweepers
4. Street Sweepers

Question 3 of 3

In Oslo, trash is placed _________________ and burned to help fuel the city.

1. daily
2. underground
3. in the outskirts
4. in streets

Check your answers online at https://wonderopolis.org/wonder/how-do-you-clean-a-city.