I think the answer is Appalachians.
Canada, United States, and Mexico
Answer:
1600 Pennsylvania Avenue NW, Washington, DC 20500, United States
Explanation:
Exact White House address :D
Answer:
The answer is A, extrustion
Explanation:
Instead of using a car, use a bike to help not pollute the air. Recycle water bottles. And use energy-efficient light-bulbs.
