PSYCHOLOGY HELP !! MULTIPLE CHOICE Which describes the operant conditioning principle of negative reinforcement?

A stimulus is taken away to encourage a behavior.
A stimulus is given to encourage a behavior.
A stimulus is given to discourage a behavior.

Pl what do you know about bolivia and its diet? how does the culture / natural resources influence what a social group consumes? what habits in your culture contribute to healthy living? how do advertising campaigns affect my food choices? what changes would you have to adapt to have a more balanced life?