'It is not always possible to bring real objects to the classroom'. Which of the following is/are the reason(s) behind the given statement?
'It is not always possible to bring real objects to the classroom'. Which of the following is/are the reason(s) behind the given statement?
I. Size of the object
II. Safety
III. Cost
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Correct answer: (A) I, II and III
Explanation
Real objects may be too big or too small, unsafe to bring (dangerous animals, chemicals) or too costly, so size, safety and cost are all reasons.