Humans have once settled in areas that are now covered in glaciers.
The Pangaea Earthquake.
The Green House Effect.
I believe the final answer is correct. Water is a desert's scarcest recourse. <span />
Water changes forms through temperature change as it goes through the water cycle. It evaporates by being heated by the sun, it condenses by cooling as it reaches higher altitude. It precipitates when the cooled water becomes heavy, and the cycle starts all over again.
Answer:
coool ways
Explanation:
Why is urbanization a problem?
The problems associated with urbanization are: High population density, inadequate infrastructure, lack of affordable housing, flooding, pollution, slum creation, crime, congestion and poverty. This problem of high population density is caused due to the heavy rate of migration from rural areas.