The answer is B~ Eastern Europe.
Answer:
1. My brother always recycles his rubbish.
2. I think we will soon find life on other planets.
3. Otis Resevoir has more boat traffic and is more polluted than Crystal lake.
4. Carrie types emails on her laptop now.
<span>B. It is possible to rebuild after a disaster if many people participate in the effort.
This is tricky but I believe B is the best choice</span>