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: Scientists discovered a region where there was a much larger amount of greenhouse gases getting caught in the atmosphere. Compared to other regions, this region's atmosphere will have a
Option1: higher temperature
Option2: lower temperature
Explanation: More greenhouse gases trap more heat and warm the atmosphere.

A: higher temperature
****
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: Two batteries are sitting on a table, one has energy being passed quickly around, the other has energy passed slowly around. The battery with energy being passed quickly has particles of matter that are
Option1: further apart
Option2: closer together
Explanation: When particles of matter are closer together, they can more quickly pass the energy of vibrations to nearby particles.

A:
closer together
****