___________________ are the 22 pairs of chromosomes which are not involved in sex

Adja was so sad when he discovered that his best friend committed suicide. Unfortunately, Adja felt incredibly guilty when he learned that _____ percent of those who commit suicide leave clues beforehand

Fill in the blank with correct word

An experimenter finds that a certain male subject always has an increased heartbeat when he hears a certain piece of music. The experimenter sounds a buzzer and then plays the piece of music

The experimenter repeats this procedure until the man responds with an increased heartbeat to the sound of the buzzer alone. In this situation, the conditioned response is ______. a. an increased heartbeat c. the sound of the buzzer b. the piece of music d. listening to the music