| Cause
| Effect |
|
1. Some fish clean fungi and bacteria from teeth of larger fish |
Those fish are described as doing work of dentists |
|
2. Wind carries smog to remote areas |
Some days smog in the Artic is similar to that of smog in Los Angeles |
|
3. Sun never drops below the horizon on the first day of summer |
The North Pole has 24 hours of sunlight |
|
4. Wetland areas soak up rainwater like a sponge |
Wetlands provide water storage and flood protection |
|
5. The Everglades was dammed and drained |
Wildlife was devastated |