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.

Question: Hundreds of years ago there were fewer people on the Earth than there are today. Because of this, there was 
 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.
more water

Question: As Earth's climate becomes cooler it will develop _____ varieties of vegetation? 
 Option1: less 
 Option2: more 
 Explanation: The warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering.
less

Question: Mary loves to observe the Sun. If she's looking at the Sun one day and notices less sunspots then she usually sees, what is happening to the amount of solar energy reaching the Earth? 
 Option1: increasing 
 Option2: decreasing 
 Explanation: When there are more sunspots the Sun is more active and there are more solar storms and more of the Sun's energy reaches the Earth.

decreasing