<u>Answer</u>:
Delta, Forest, Plateau and stream are the natural regions.
<u>Explanation</u>:
Delta is the old stage of the running water landforms which is created at the mouth of the river. Forest is a group of trees formed in densely manner and Plateau is the landform which took several milion years to form. Stream is the running water system which originates from the glacial or mountain. Denver is one of the cities in the Colorado state and Georgia is a state in USA which is created by man made activities. North America comes under the category which is delineated by the humans.
The natural resources in Ghana,Mali and Songhai contributed most to the growth and power of these empires.
•It brought about the beginning of the trans Saharan Caravan Trade in the 13th and 14th centuries.The gold-salt trade in Africa made these empires very powerful since they controlled the trade routes and taxed traders
•Cities also developed in Ghana,Mali and Songhai because their resources were in high demand and the overland trade routes connected them to west Africa
•The T.S.T brought about the spread of Islam throughout west Africa. The Muslims also sold their commodities (textiles,beads,camels and others) in exchange for gold and salt
China is a big contributor to global warming since they still use coal and other natural resources that are released into the sky.
