Complete the sentences by using the correct verb in the correct form.
plant. save. recycle. be. turn. rise. dry
1. if we ... paper and plastic, we'll protect our environment.
2. if we stop cutting down forests, we ... the habitat of many animals.
3. if jane ... off all her lights when she goes out, she will save energy.
4. if the glaciers melt, sea levels...
5. if everyone stops polluting the planet, air ... cleaner
6. if temperatures increase, lakes and rivers ... up.
7. if we ... trees, we will make the world a better and cleaner place.