The most dangerous community is a community with water, because it may pollute the water. Is mainly caused by water away from residential or industrial factory. That is the cause of the water is black, and smells foul.The environmental problem because several other detrimental as follows:
.1. The impact of health 2. The economic impacts 3. Social impact. Approaches to preventing and solving water pollution problems
.
2 1 wastewater. Waste disposal
3.The study and understanding of water pollution problems to the public.
การแปล กรุณารอสักครู่..