<h2>
<em><u>air</u></em><em><u> </u></em><em><u>pollution</u></em><em><u> </u></em></h2>
Explanation:
<h3><u>I</u><u> </u><u>don't</u><u> </u><u>know</u><u> </u></h3>
Answer:In China the one child policy was used to limit the growth in the county. This law was enforced by fines based off of the family's income.
Explanation: