instruction:
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:
Question: Will measures water at a pH of 7, while a bleach solution measures at 12. Which substance is more basic? 
 Answer: bleach
answer:
Bases have pH values above 7. The higher the pH value, the more strongly basic the substance.


question:
Question: Greta yells across the canyon in the cool morning and again in the hot afternoon. The sound likely traveled _____ in the morning. 
 Answer: faster
answer:
For a given medium, sound has a slower speed at lower temperatures.


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

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