Question

ayudaaaa es para ingles

What is the reward system?

a) It is a chemical reaction that makes people feel they want to repeat a food or situation
b) It is a chemical reaction that makes us stupid
c) It is a chemical reaction that makes us lose weight
d) It is a chemical reaction that activates us

Answer 1

como ves no me permite escribirlo porque supuestamente digo "malas palabras"

como sea espero que te ayude :))

Answer 2

Respuesta:

d) It is a chemical reaction that activates us

Explicación: