Problem: David was interested in the coloration of ocean's water. To understand the phenomenon he first observed the color of water at forty feet depth. He noted his observation as point A. Then he observed the color at hundred feet depth. He noted his observation as point B. Then he observed the color at four thousand feet depth. He noted that observation as point C. He now have some ideas how the color of water changes according to its depth. Where there would be visible sunlight, point B or point C?

A: point B

Problem: Two nearby villages are experiencing earthquakes. Bow village gets a lot of earthquakes annually, while Arrow village gets only a few. Which village experiences more plates moving?

A: Bow

Problem: Two groups of friends went camping , but camped separately a few hundred yards away and started a fire each. Both groups had the same volume of wood. Group P had larger logs, while group Q had small twigs, sawdust and kindlings. Which group made a fire that burned much more quickly?

A: group Q

Problem: Michael and his grandfather used to play basketball all the time when Michael was younger. Michael is now much older and his grandfather just cant seem to keep up with him at all anymore. Eventually Michael's Grandfather who is now in his 60's decides to stop playing basketball altogether. Given the grandfather's age, as he get's even older will his reflex time increase or decrease?

A:
increase