"Rapid Immigration from Other countries" <span>caused the population of the US to increase rapidly in the 1830s and 1840s
Hope this helps!</span>
<span>This
is due to changes in atmospheric chemistry. This is as a result of both natural
and human activities such as industrial emission of gases in one location than
the other or even the quantity of greenhouse gases emitted in the atmosphere.
This may cause differences in average yearly temperature for different
locations. Also, natural changes in the sun which affect the amount of incoming
solar radiation may also be responsible for these differences.</span>