Stimulus generalization .
a. occurs when a person responds to stimuli not used or present in training the behavior
b. occurs without a stimulus a target behavior is strengthened and other members of the response class
c. also increase a newly acquired behavior persists after the training contingencies are no longer present

the answer is c most of the fortnite players usually buy v bucks to get the battle pass and other cosmetics but some players who are referred to as "no skins" don't   buy skins and are usually noobs.

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.