In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Question: Mike is digging for old rocks. Mike dig downs very, very shallow, and he expects the rocks there to be
Answer: younger
Therefore, deeper rock layers must be older than layers closer to the surface.

Question: A sound wave, very far away from its source, is spread out _____ than near its origin.
Answer: more
The farther the sound waves travel away from the source, the more spread out their energy becomes.

Question: When it is night time the pupils in our eyes are _____ open than normal.
Answer: more
The pupil automatically gets bigger or smaller to let more or less light in as needed.