Answer:
I think its B, not fully sure
Acid precipitation is caused by a mix of <span>sulfur dioxide, carbon dioxide, and nitrogen oxide. The correct option among all the options that are given in the question is the fourth option or option "D". I hope that this is the answer that you were looking for and it has actually come to your help.</span>
Answer：
China faces serious social and economic problems associated with overpopulation in the years to come. Overly populated regions lead to degradation of land and resources, pollution, and detrimental living conditions.
Explanation:
Wars might be caused because different cultures might think they are superior to others which could cause war.
Answer:
a and c I think maybe d too but prob not
