Ответы и объяснения

Лучший Ответ!
1. zoos are out-of-date
2. it's cruel to keep wild animal in captivity
3. nowadays, people do not need to visit zoos.
4. for many animals cages are small, animals suffer.
5. most animals have to live in a climate very difference from their natural habitat.
1. they had an education purpose.
2. they gave people opportunity to see wildlife