It’s A I,ii I think that’s correct
Your answer is D
Hope it helps.
Answer:
D. is a hobby
Explanation:
According to my research on the English language, I can say that based on the information provided within the question the correct statement for this question would be "is a hobby". Therefore the whole correct sentence would be "Stamp collecting is a hobby sometimes used in the schools to teach economics and social studies."
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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.