Answer:
<u>Water has following properties as </u>
- cohesive behavior.
- ability to moderate temperature.
- expansion upon freezing.
- and versatility as a solvent.
Explanation:
- The cohesive behavior is the attraction between the molecules of the same substance and cause the water molecules to be drawn together.
- Ability to moderate temperature, due to the multiple hydrogen bonds between the water it has a heat capacity which allows for large bodies of water to absorb heat.
- Expansion upon freezing means that it creates a drastic change in the environment and allows it to cool and freeze,
- Versatility as a solvent gives it the ability to dissolve compounds and other polar molecules.
Climate change and greater numbers of imports than exports
Here were the choices on that question:
a. poverty
b. lack of adequate rivers
c. mountains
<span>d. richness
The answer is D. richness. Based on A Companion to World History, the African Sahel can be a corridor of communication between Nile and Niger valleys but did not materialize. The reason was the richness of Sahel that it that it can provide for itself even without trade.
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