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: What happens to water when it absorbs salt? 
 Option1: lower density 
 Option2: Higher Density 
 Explanation: Water becomes more dense when it is colder and when it has more salt.

A: Higher Density
****
Q: Question: A stream going across a low plain will have to do _____ cutting. 
 Option1: much 
 Option2: little 
 Explanation: In erosion, the higher the elevation, the farther the stream is from where it will reach base level and the more cutting it has to do.

A: little
****
Q: Question: A small planet has a _____ pull of gravity than a small planet. 
 Option1: stronger 
 Option2: weaker 
 Explanation: Gravity is a pull which all matter exerts on all other matter, the more mass, the stronger the pull.

A:
weaker
****