In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Question: As more people are removed from Earth, they will find _____ water scarcity. 
 Answer: decreasing
Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.

Question: John turned up the thermostat in his room. As the temperature of the room got higher, would the air pressure in the room 
 Answer: decrease?
Decreasing air temperature increases atmospheric pressure.

Question: Dan is watching sand fall down a small hill. The pieces of sand will be very 
 Answer: small

Smaller sediments are dropped as the slope becomes less steep.