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.

Ex Input:
Question: Bob is testing samples of ocean water from different places. The sample of water from off India's coast has less dissolved carbon dioxide, than the sample of water from off the United States' coast. Therefore, the water from _____ coast is more acidic. 
 Answer: United States'

Ex Output:
With higher levels of dissolved carbon dioxide in ocean water, the water becomes more acidic.


Ex Input:
Question: A population of squirrels in a local forest had less food available to them this spring than they did last spring. During which spring will more squirrels leave the area to live somewhere else? 
 Answer: this spring

Ex Output:
Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration.


Ex Input:
Question: When you go into a cave, the rocks at shallower levels are _____ than the rocks on the surface. 
 Answer: younger

Ex Output:

The main law is the law of superposition. This law states that deeper rock layers are older than layers closer to the surface.