The pen would contain Insulin as people with diabetic problems do not have enough insulin in their body to help them break down the sugar
It is hard to name on that is responsible for all but polution has a large impact on our daily life,hope this helped
<span><span>Polar Easterlies
</span><span>Prevailing Westerlies (aka Westerlies).
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Tropical Easterlies (aka Trade Winds).
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