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: Mike is digging for old rocks. Mike dig downs very, very shallow, and he expects the rocks there to be 
 Answer: younger
answer:
Therefore, deeper rock layers must be older than layers closer to the surface.


question:
Question: After a car accident, Carla loses a lot of blood. At the hospital, the doctors tell her that her blood pressure is now 
 Answer: decreased
answer:
If blood volume in the body decreases, blood pressure decreases.


question:
Question: Rick has a flat magnifying glass while Jimmy has a curved convex lens. Who likely can't magnify the objects better? 
 Answer: Rick
answer:

The more curved the convex lens is in a magnifying glass, the greater its ability to magnify objects.