Atown in central or south america where it rarely goes above 85 degrees at any time

I would say Guatemala City probably maintains an average temperature around 85 degrees fahrenheit and has been called I believe "the city of eternal spring" where it doesn't get too hot or too cold. I have been in Guatemala City several times and can vouch for this that the climate is very pleasant.

Climate change to earth function human can't reduce climate

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