You preserve rivers by not throwing trash in them. Also pay attention to where and how you dispose of chemicals, and hazardous materials so that they do not reach water supplies.
With their dams
donate money
There is no need to protect River Otters because they are plentiful and maintain a trapping and hunting population without any extraordinary means.
because they protect your ship from crashing.
yes
to protect soil erosion avoid throwing garbage in the lake, river and seas and avoid cutting trees in the forest
Geography helped protect Egyptians due to the presence of the huge Sahara desert, the Mediterranean Sea and the Nile River
Levees, dikes.
Organize a river cleanup program
Their teeth and claws.
Different companies such as GM motors are contributing money to protect the river from environmental issues
Belarus is very flat. It has the Dnieper River, Western Dvina. Neman River, Bug River, Pripyat River, Sozh River, Berezina River, Neris River, Ptsich River, Shchara River and the Svislach River.The Valdai Hills are a popular place to fish. Lake Valdayskoye and Lake Selige are in a national park to protect wildlife.