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: There are many more people on the Earth today than there were hundreds of years ago. Because of this, there is 
 Option1: more water 
 Option2: less water. 
 Explanation: Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.
[A]: less water.


[Q]: Question: What would happen to the speed of Earth's orbit if our planet were to move closer to the Sun? 
 Option1: increased speed 
 Option2: decreased speed 
 Explanation: The Earth travels faster in its elliptical orbit when it is closer to the Sun than when it is farther away.
[A]: increased speed


[Q]: Question: An alkane with six carbon atoms should have a _____ melting point than an alkane with two carbon atoms 
 Option1: higher 
 Option2: lower 
 Explanation: Alkanes with more carbon atoms generally have higher boiling and melting points.
[A]:
higher