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.

Q: Question: Jim is comparing two rivers. One has a steep slope and one has a shallow slope. Will the shallow slope or the steep slope provide less water availability? 
 Option1: steep slope 
 Option2: shallow slope 
 Explanation: A gentle slope favours slower flow of surface water, reduces erosion, and increases availability of water to plants.

A: steep slope
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Q: Question: Considering that aluminum has a much lower specific heat than water, which would cool more slowly 
 Option1: five pounds of water heated to 200 degrees? 
 Option2: a five pound block of aluminum heated to 200 degrees 
 Explanation: The land heats up and cools off faster than the water because it has lower specific heat.

A: five pounds of water heated to 200 degrees?
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Q: Question: Jeff heated the pot of boiling water. What happens to the dissolved oxygen contained within the water? 
 Option1: it increases 
 Option2: it 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.

A:
it decreases
****