You are given a question or fill-in-the-blank question, two answer options (Option1 and Option2) and an Explanation. Your task is to find the correct answer (return the string of the correct option, not option1/2) for the given question from the given options and using explanation.

Question: Angel traveled from New York to Des Moines, IA , and experienced _____ pollution. 
 Option1: more 
 Option2: less 
 Explanation: For example, more people on the Earth means more people contributing to global warming and pollution.
less

Question: If Mona is in her greenhouse monitoring her plants and she decides to raise the temperature inside, what happens to the rate of cellular respiration her plants exhibit? 
 Option1: decreases 
 Option2: increases 
 Explanation: Temperature affects the rate at which photosynthesis, cellular respiration and decomposition take place. The rate of reaction increases with increasing temperature and decreases at lower temperatures.
increases

Question: Tom was digging in his backyard one day, after two inches he picked up an oval shaped rock. Tom kept digging and after twelve inches he picked up a square shaped rock, which rock was younger? 
 Option1: The Oval Shaped Rock 
 Option2: The Square Shaped Rock 
 Explanation: The upper rock layers are much younger.

The Oval Shaped Rock