This is a true statement!
For example, the biggest city in the Sahara (admittedly placed on the edge of it, on the Atlantic coast) is Nouakchott, the capital of Mauritania - it has 1 million people, so a great portion of the 2.5 million.
Another big city is Ghardaia in Algeria - of 100 000 people.
Answer:
The continent with the biggest area of economic water scarcity is Sub-Saharan Africa
The greenhouse effect happens when greenhouse gases are trapped in a close dspace, and cause humidity and heat to rise. This happens outside two, within the atmosphere, and makes icebergs melt . It helps create global warming
