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.
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Question: Question: Yolanda moved to Denver where it is 5000 feet above sea level. The atmosphere here is considered 
 Option1: dense 
 Option2: thin 
 Explanation: The density of the atmosphere decreases with an increase in the height above sea level (altitude).

Answer: thin


Question: Question: When it gets hot out what happens to our blood flow? 
 Option1: decreases 
 Option2: increases 
 Explanation: On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body.

Answer: increases


Question: Question: Will created an electromagnet with a circuit breaker. If he increases the current, the electromagnet will become 
 Option1: stronger 
 Option2: weaker 
 Explanation: If the current passing through the circuit breaker increases, the electromagnet becomes stronger.

Answer:
stronger