Составить 6 предложений в страдательном залоге по теме "экология"

1 Many forests and woods have been cut down recently.

2 Rivers and lakes are polluted.

3 Birds and animals have been forced to survive in terrible conditions over the years.

4 Lots of rare species are kllled and hunted for.

5 Natural habitats are destroyed.

6 Oil spills are found in oceans and seas.