Is this actually a homework question or are you giving ur personal opinion here?
Answer: A) stimulus
Explanation:
A stimulus is a factor which can bring a change in the chemical and physical structure of the organisms. The stimulus is the part of the external environment of organism. And the ability of the organism to respond to the stimulus is called as the sensitivity.
Here, music is the stimulus which brings causes you to start foot tapping which is a response towards this stimulus.
They Decided To Require Several Kinds Of Taxes From The Colonists To Help Pay For The French & Indian War .
A. <span>She could have looked at her note cards only occasionally.</span>
The Harlow experiments to discover the effects of social isolation on rhesus monkeys showed that they were severely psychologically disturbed. During the isolation, no monkey died. When they were removed from the total isolation, most of the monkeys experienced emotional shock. One of six monkeys died due to emotional anorexia.