perennial river
h
hills,mountains,and rivers
Egyptian and Chinese
Egyptian and Chinese
well both organized around major maya rivers :)
Great Britain's freshwater sources are mainly located in its rivers, lakes, and reservoirs. Some of the major rivers that provide freshwater to the country include the Thames, Severn, and Trent. Additionally, there are numerous lakes and reservoirs throughout the country that contribute to its freshwater supply.
b. africas mountains and rivers
transportation petroleum, or salt
There are many rivers that run through Europe. These include the Danube, Volga, Ural, Oka, and the Kama. These are some of the longest rivers throughout Europe.
Rivers are bigger, tributaries "conTRIBUTE" water to the rivers. Multiple tributaries connect to a single river making the river larger.
Streams and rivers flowing into a larger river or lake. They CONTRIBUTE to the main flow.