minh dong y vs cac cau tra loi ben duoi

* nam co ich

+ nam co tam quan trong rat lon doi voi doi song cua con nguoi va thien nhien

-phan giai chat huu co thanh chat vo co

-lam thuc an , lam thuoc

-san xuat ruou bia , che bien mot so thuc pham, lam men no bot mi,......

* nam co hai

-nam ki sinh gay benh cho con nguoi va thuc vat

-nam lam hong thuc an , do dung ,.....

-mot so nam gay ngo doc cho con nguoi

chuc ban hoc tot