Because the seas do not reach them to get salt into them
yes there are salty seas. but lakes are very rare to find salty.
Why rift valley lakes salty
These lakes tend to be salty, as minerals are constantly carried into them by incoming water.
for freshwater crocodiles(they like to live near to lakes, rivers., etc..,) and for salt-water crocodiles(they live in sea water and some salty lakes..)..
Some lakes, such as the Great Salt Lake in Utah, are salty. The Great Lakes are freshwater because there is no source of salt to supply them.
The rivers and lakes of Asia.
Assuming the question is, "Is the Atlantic Ocean full of saltwater?", then the answer is yes. Ocean and seas are salty; rivers and lakes are freshwater.
Landforms in Botswana include delta regions, hills, deserts, and rivers. There are also grasslands, savannahs, plateaus, lakes, and salty regions.
These lakes have no outlets to carry the salts away to the sea.
what rivers lakes and montains
Yes, Germany has many rivers and lakes.
lakes and rivers