Biology 11th Edition by Cecie Starr ,Ralph Taggart

تمرين 3

Runoff from highly fertilized cropland and raw sewage promotes algal blooms that can result in massive kills of aquatic species, birds, and other forms of wildlife. Are such kills an unfortunate but inevitable side effect of our lives If you find the environmental cost unacceptable, how would you stop the pollution Bear in mind that we now absolutely depend on high-yield (and heavily fertilized) crops. How do you suggest we dispose of the waste generated by farms and cities