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: If Mona is freezing a glass of water and the temperature of the water begins to decrease, what happens to the density of that water? 
 Option1: increases 
 Option2: decreases 
 Explanation: Lower temperature and higher salinity yield the densest water.

Answer: increases


Question: Question: Evan is a farmer and needs to plant on a slope. For a faster flow of water, he should choose a slope that is 
 Option1: steeper 
 Option2: gentler 
 Explanation: A gentle slope favours slower flow of surface water, reduces erosion, and increases availability of water to plants.

Answer: steeper


Question: Question: The oxygen levels in water wind up going down when the temperature 
 Option1: increases 
 Option2: decreases 
 Explanation: Warm water cant hold as much dissolved oxygen as cool water, so an increase in the temperature of water decreases the amount of oxygen it contains.

Answer:
increases