| A | B |
| what persent of the earths water is available to human use? | less than 1 persent |
| what are the three types of wetlands? | bog ,swamp ,and marsh |
| what are the purpose of wetlands | To clean water, to pervide animals with homes, and they pervent floads. |
| what are the causes of wet lands being lost? | Human activity |
| Explain why we should protect wetlands. | We should protect wetlands becuase there are animals that live there. Next wetlands clean and filter the water. lastly,porvent floads! Those are the reasons we should protect wetlands. |
| What are hand lens used for? | to magnfiy objects |
| what persent of earths water is in oceans? | 97% |
| Besides making a object larger a hand lens | make an object apppear more clear |