Answer:
In this scenario, the green light is a(n) <u><em>signal</em></u>.
Explanation:
In the above scenario, with time, the pigeon has learnt that he will be rewarded only when the green light is on. Such a condition is known as learned behaviour. In the future, the pigeon will only peck the button when the green light is on because he will know that he will be rewarded for pecking the button only when the green light is on. Hence, the green light is the signal for the pigeon to start pecking the button.
Which of what? You need to be specific when asking questions.
86 bpm
62 bpm
123 bpm
they are different bc of the things you are doing they take more amounts of oxgyen and your heart has to pump harder to get more oxygen to these places.
you can find your pulse by putting two fingers and pressing on your wrist...
hope this helps...
