TASK DEFINITION: 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.
PROBLEM: Question: What would happen to the speed of Earth's orbit if our planet were to move closer to the Sun? 
 Answer: increased speed

SOLUTION: The Earth travels faster in its elliptical orbit when it is closer to the Sun than when it is farther away.

PROBLEM: Question: Eric hears a sound from far away. If this is the first sound he heard, this sound is likely 
 Answer: strong

SOLUTION: The farther the sound waves travel away from the source, the more spread out their energy becomes.

PROBLEM: Question: A chemist compared two substances in the lab. Which substance will have a higher concentration of hydrogen ions? 
 Answer: the substance with the lower pH

SOLUTION:
The lower the pH value is, the greater is the concentration of hydrogen ions and the stronger the acid.