The causes of water shortage problems, most of which come from the effects of human actions, which are as follows: the first problem is the greenhouse crisis resulted in a higher temperature or Global warming, called the, which makes it much more less rain affect the quantity of fresh water. The second problem is the problem of pollution in rivers, canals and water — Uncle spoilage is caused by the release of waste water, industrial wastewater treatment, without, chemical residues from agriculture and water resources and facilities left behind lalong gu.
การแปล กรุณารอสักครู่..
