Which factor increases the risks associated with diving into water?
a. not seeing the bottom
b. diving during the day
c. being able to swim
d. having a friend present

The factor that increases the risks associated with diving into water is "Not seeing the bottom".

Diving head first into water is a common phenomenon among swimmers in pools, however, it is a very risky act. It is risky in the sense that it can cause severe injury to the head or even death. One major factor that can lead to this risky act (diving into a water) is inability to see the bottom of the water. This will prevent the swimmer from knowing whether the water is shallow or deep. Therefore, the factor that increases the risks associated with diving into water is "Not seeing the bottom".

Learn more at: link

Which factor increases the risks associated with diving into water?
 A. Not seeing the bottom