Discharging untreated wastewater into a river can lead to water pollution, harming aquatic life and ecosystems. It can also contaminate drinking water sources and pose health risks to human populations living downstream. Additionally, the increased levels of nutrients can lead to algal blooms and oxygen depletion, further impacting the river's ecosystem.
the amount of water flowing in a river per-second
That all depends on the nature of the infection and the treatmen for it.
By not littering into the river. Cynthia Wu Jia Yi
The two effects produced by flowing water in a river are erosion, and a land formation known as a delta.
erosion
Untreated sewage is waate product from factorries, nuclear facillities and untreated human waste. This waste is highly dangerous as it contains bacteria, virus, etc... This waste if mixed with river water or water system can cause large damage not just to human but aquatic life aswell. Treated sewage is sewage which is filtered and treated with chlorines and other chemical, after the process the water is ready to be mixed with river, etc. This water is even ready to drink.
No
A
The Nile River effects the land by providing water, entertainment, can fish in it and washing.
By giving them water to irrigate their farms.
they can be safe by trying not live close to a river or ocean