The correct answer is <span>c. The most geologically active region of North America is found along the West Coast.
This is correct and can be observed by observing the territories and what constitutes them. </span>
Answer: e. the ethnic composition of neighborhoods changed
Answer:
Explanation:
It helps in assessing the level of pollution in relation to the air quality standards. Standards are a measure to set the target for pollution reduction and achieve clean air.
