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.
The answer is <span>middle adulthood.</span>
Answer:
crystalline and amorphous. Both of these solids can be differentiated based on their chemical and physical properties.
