China’s government discourages population growth through all of the following measures except a. subsidizing daycare for large families b. fining couples with more than one child c. offering maternity leave to one-child families d. requiring that all couples in urban areas have only one child

I would say that A subsidizing day-care for large families would not be included in China's policies to curb population growth. Given that China has something like 1 1/2 billion people it is understandable some population control because there could be over crowding with too many people and too much of a strain on limited resources. 

Answer (d) may increase or decrease porosity through dissolution or deposition;

Answerprediction;