По мнению экологов, в современных условиях необходима качественная переработка вторсырья. Найди аргументы только из приведённого текста, подтверждающие эту точку зрения.

1) Henry said that his son was a student.
2) Her mother said that she was working at the library.
3) My friend told me that he hadn't seen me for ages.
4) All said that he should solve the clues the next day.
5) He said there was nobody there to stop them.
6) The soldier said that they would find a place to lie up and added he was afraid they would kill them.
7) My friend told me that they had been waiting for me for ten minutes.
8) Jane said that she was all allright and nothing worried her.
9) Tom said he was busy then and he was doing his lessons.
10) The secretary told us that she wasn't there because she had just left the office.