WONDER #2043: How Can You Breathe Where Trees Don’t Grow?
Question 1 of 3
The point beyond which trees can’t survive is known as the what?
Question 2 of 3
Oxygen makes up about what percentage of Earth’s atmosphere?
Question 3 of 3
In addition to trees, what is responsible for producing a large percentage of Earth’s oxygen?
- solar panels
Check your answers online at https://www.wonderopolis.org/wonder/how-can-you-breathe-where-trees-dont-grow.