B.F. Skinner is a scientist. and a skinner box is a plexiglass box where scientists put lab rats in to do research on them.
B.F. Skinner was a behavioral psychologist who studied "Operant conditioning," which is a type of associative learning in which there is a contingency between the response and the presentation of the...
Scratch and scrimp
dl is how much killogramm?
take it to checkouts or a pawn shop to be cleaned