Choose the correct word

1. The natural home of an animal or plant —
   [habitat|environment|ecosystem];
2. Put in danger —
   [endanger|nature|dump];
3. No longer living —
   [endanger|extinct|waste];
4. The conditions in which a person or an animal lives —
   [endanger|extinct|environment];
5. The physical world around us —
   [nature|pollute|waste];
6. Make dirty —
   [ecosystem|pollute|survive];
7. Useless material —
   [nature|pollute|waste];
8. Defend from danger, keep safe —
   [recycle|protect|survive];
9. Stay alive, not to die —
   [habitat|survive|dump];
10. Throw away rubbish —
    [nature|pollute|dump].