Rewrite the sentences,using the words in brackets.You can make some changes:
1.There are asthma,allergics and other respiratory illnesses when air pollution happens(lead to)
->
2.Aquati life suffers or dies because there is thermal pollution(because of)
->
3.Water in Cau River becomes brown and has terrible smell because the waste water is released from the paper mill in Thai Nguyen city(so)
->
4.People use too much herbicide to treat weeds,so water in rivers,canals,lakes are extrmely polluted and has bad effects on people's health(because)
->
5.Many fish in the river die due to the increased temperature of water(because)
->
6.Because plastic bags take so long to decompose,nearly all of them still exist in the environment today(so)
->