Pollution of rivers, lakes and seas is a major concern for people who seek to protect the environment. What are the possible causes of water pollution, and what effects does this have on animal life and human society?

任务回应

6.0分

连贯与衔接

6.0分

词汇资源

5.5分

语法范围与准确性

5.5分

As technology improves, it came along with some issues that can cause remarkable changings on environment. Facilities around the world pollute more and more every single year and of course there are crucial changings on habitat.