On the day she is to be interviewed for an important new position, rachel awakens with a severe toothache. during the interview she feels no pain; no until 30 minutes later after the interview does she become aware of the troublesome toothache again. her experience is best explained by"

The answer is the gate control theory of pain. This declares that non-painful involvement ends the "gates" to excruciating input, which stops pain feeling from going to the central nervous system. So, stimulation by non-noxious contribution is capable to overpower pain.

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.