Pollution in the air causes acid rain. And limestone is a calcium carbonate compound, which is an alkali. So when an acid and alkali mixes together, you get a reaction. Which is dissolution. Dissolutions causes the outside layer to dissolve, resulting in mush.
Answer:
Working age population declining
The number of female babies killed, abandoned, or placed in orphanages increased as a result of the policy. Even after the one-child policy was rescinded, China's birth and fertility rates remained low, leaving the country with a population that was aging too rapidly as well as a shrinking workforce
Yes it is true.
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