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.

[EX Q]: Question: Compared to a solution of lye with water, which is strongly basic, would vinegar, which is acidic, have a pH value 
 Answer: closer to 0
[EX A]: The more acidic a solution is, the closer its pH value will be to 0

[EX Q]: Question: Gerald laid down many rock layers. The layers on the bottom level were likely laid 
 Answer: first
[EX A]: Lower rock layers were laid down earlier, so they are assumed to contain older fossils.

[EX Q]: Question: If Jim removes hydrogen ions from his solution, what will happen to the level of acidity? 
 Answer: it will become less acidic
[EX A]:
With a higher concentration of hydrogen ions, a solution is more acidic but has a lower pH.

