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.

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


[Q]: Question: A Geiger counter is clicking away, and suddenly speeds up quite a lot. The counter is telling people that the level of radiation is 
 Answer: higher
[A]: The faster the clicks of a Geiger counter occur, the higher the level of radiation.


[Q]: Question: Don is getting screened for cancer. Because his cancer is caught early, at the first screening, the chance of a cure is 
 Answer: greater
[A]:
The sooner cancer is treated, the greater the chances of a cure.