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.

Q: Question: Fred has an isotope that decays slowly. What is likely true about it? 
 Answer: it can be used to date older specimens

A: Because these isotopes decay more slowly, they can be used to date much older specimens.
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Q: Question: John started measuring the current, and notices that as the current got weaker the electromagnet became 
 Answer: Weaker

A: The more current, the stronger the electromagnet.
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Q: Question: Tom conducted an archaeological dig and compared some of the rocks he found. He noticed that the rocks at 2 feet deep were _____ than the rocks at 20 feet deep. 
 Answer: younger

A:
Older rocks are at the bottom and younger rocks are at the top.
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