Africa was known as the Dark continent Because a man name Henry Stanley(A United States Explorer and an Journalist) named it because the land was so mysterious <span />
Answer:
When waters run dry, people can't get enough to drink, wash, or feed crops, and economic decline may occur. In addition, inadequate sanitation—a problem for 2.4 billion people—can lead to deadly diarrheal diseases, including cholera and typhoid fever, and other water-borne illnesses
Explanation:
Answer:
Seismic waves are fundamentally of two types, compressional, longitudinal waves or shear, transverse waves. Through the body of the Earth these are called P-waves (for primary because they are fastest) and S-waves (for secondary since they are slower).
It is very hot and arid, which makes it hard to find edible food and drinkable water. There is not much vegetation.
