One of the Problems Associated with Playground Safety,according to the Consumer

One of the problems associated with playground safety,according to the Consumer Product Safety Commission (Frost & Henniger,1979) ,is

A) a lack of signage in and around the playground equipment.
B) that equipment on many playgrounds was not appropriate to the developmental abilities of children.
C) the lack of color on the playground equipment.
D) available square footage for each child was below the standard.