Skip to main content
Toggle navigation
testbig
Main navigation
Home
Reading
Listening
Speaking
Writing
Grammar
Submit
Register
User account menu
Log in
Sakina
Member for
5 years 5 months
My essays:
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? What effects does this have on animal life and human society?
56