NEET BIOLOGY

ECOLOGY

ENVIRONMENTAL ISSUES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Explain why the population of the Sahara is low
A
lack of water
B
continual warfare
C
too many polar bears living there
D
frequent flooding
Explanation: 

Detailed explanation-1: -The living conditions in Sahara is difficult . as the place experiences extreme temperature, there is scanty of rainfall and very less amount of resources. This is the reason for low density of population .

Detailed explanation-2: -The environment in Western Sahara is extremely hot and causes the water to evaporate quickly. Also the population is quite poor and can’t afford clean water.

Detailed explanation-3: -Poverty is a huge barrier to access to water and sanitation, and most of the world’s poorest countries are in sub-Saharan Africa. Natural disasters, increased pollution, and a lack of resources are all driving forces of the water crisis in sub-Saharan Africa.

Detailed explanation-4: -Most experts agree that a desert is an area of land that receives no more than 25 centimeters (10 inches) of precipitation a year. The amount of evaporation in a desert often greatly exceeds the annual rainfall. In all deserts, there is little water available for plants and other organisms.

There is 1 question to complete.