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.

Q: Question: If Mona is digging and she uncovers more rock, what happens to the total area that chemical weathering can occur?
Option1: increase
Option2: decrease
Explanation: With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.

A: increase
****
Q: Question: Mike wants his voice to travel slowly, so he will speak in a room that is
Option1: colder
Option2: warmer
Explanation: For a given medium such as air, sound has a slower speed at lower temperatures.

A: colder
****
Q: Question: As you monitor sound waves closer to a speaker they become
Option1: louder
Option2: quieter
Explanation: The farther the sound waves travel away from the source, the more spread out their energy becomes.

A:
louder
****