Answer:
A tropical climate can be described as regions of the Earth where the mean temperature remains greater that 18 degrees Celsius during all the twelve months of the year
Explanation:
Carbon dioxide water vapors and methane
A. Because the Egypt and Indus valley are in the desert, living near a river gave access to a food supply, water and better soil for growing crops. There were better resources to build shelter, and the river provided a safe route of transportation to other areas.
The Middle East is situated as a crossroads between Europe, Asia, & Africa
How WHAT might affected life in Medieval Europe?