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.

Example Input: Question: Reid notices no change in the weather and temperature from 100 years ago. This likely was caused by _____ greenhouse gas levels. 
 Answer: decreased
Example Output: As greenhouse gases increase, changes will be more extreme.

Example Input: Question: If Milo is travelling underground and he moves closer to the Earth's surface, what happens to the pressure around him? 
 Answer: decreases
Example Output: Pressure: Pressure increases with depth, but increased pressure raises the melting temperature, so melting of rock is less likely to occur at higher pressures.

Example Input: Question: Mary loves to dive in the ocean. What will happen to the water as she dives deeper? 
 Answer: darker
Example Output:
The deeper you go, the darker the water gets.