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: Fred has an isotope that decays slowly. What is likely true about it? 
 Answer: it can be used to date older specimens
answer:
Because these isotopes decay more slowly, they can be used to date much older specimens.


question:
Question: Yolanda looks through a miniature telescope and then compares the view to a normal sized telescope. The telescope that less likely differentiates between celestial objects the best is 
 Answer: smaller
answer:
The larger a telescope's mirror or lens, the better it is at seeing narrowly separated objects as individual objects and the sharper the images look.


question:
Question: An increase in body size will cause a concomitant _____ in its surface area to volume ratio. 
 Answer: decrease
answer:

Size restriction: The final body size is limited because as the body size increases, the surface area to volume ratio decreases.