<em>After World War II, many people moved from the cities to _____.
</em>
suburbs
<span>C.A floating pile of oil-soaked logs in the Cuyahoga River caught fire, and the resulting media attention led to the first Earth Day.</span>
A trade barrier is something that stops countries from freely trading with each other (this can be as a result of conflict)
For example, In China and India, through wars, a gradual trade barrier has been created due to the fact that the countries are going through warfare tension
❤Gianna❤
Answer:
cold air led to heavy use of coal, and the smoke from the coal fires was trapped close to the ground by a temperature inversion.
Explanation:
