избрать правильную форму глаголаMany animals .... for their beautiful skin and

Избрать правильную форму глагола
Many animals .... for their beautiful skin and fur (kill/are killed/is killed)
Air .... by factories and plants (are polluted/is polluted/pollute)
The indian and amur tigers .... for their skin (hunt/is hunted/are hunted)

поставьте глаголы в passive voice
Air (pollute) by cars and buses
Animals and birds (hurt)
Litter (leave) by people in parks and forests

поставьте слова в логическом порядке
Destroy/the/people/wildlife
protect/nature/we/should.
by/nature/damaged/people/is