Answer:
Option A
Explanation:
The green houses gases concentration increases in the the troposphere layer of the atmosphere due to which the sunrays (IR radiation) reflected back by earth are restricted by the green house gases thereby increasing the temperature of the earth and make the climate warmer.
Hence, option A is correct
Although America fought in many wars since, World War 2 was the last time the nation declared war (actually against two nations at the time). One declaration of war with Japan, and one declaration of war with Germany. I hope this helped !!
The definition of iconography is the visual representations and symbols used, or the research or understanding of a piece of art.
An economic force that makes people to move to metropolitan areas is for jobs. The reason why suburbanization occurs in the US and Canada is due to lower land costs.
<h3>Why the reasons above for people's migration?</h3>
Note that the search for job can be an economic force that pushes people to move into metropolitan places as people are in need of money and would do anything to get it.
Note also that suburbanization in the US and Canada is said to happen due to the fact that the lower land costs makes people to have housing that they can afford.
Learn more about migration from
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