Elmer likes to cook with onions and puts them into almost everything he makes. he usually starts dinner every day around 5: 00 pm. as he is cutting the onions, the grandfather clock chimes five times. elmer is crying, because cutting the onions makes his eyes water. one evening he is at a friend's house, because they are going out to dinner later. he and his friend are watching tv and the clock chimes five times 5: 00 pm. elmer's eyes start to water
neural stimulus:
unconditioned stimulus:
unconditioned response:
conditioned stimulus:
conditioned response:

The correct answers are the following.

Neural Stimulus: when the clock chimes exactly at five o'clock.

Unconditioned Stimulus: the cutting of onions.

Unconditioned Response: he starts to cry.

Conditioned Stimulus: the alarm of the clock at five o'clock.

Conditioned Response: the crying.

Elmer is so conditioned due to the permanent habits and activities he has. That is why when similar actions occurred, he reacts in the same way. His brain is having an immediate response to the external conditions and Elmer reacts accordingly.

i think its toxic gasses but i could be wrong