Question

“…if not, it would make a serious difference to the machine.” What does ‘it’ refer to???​

Answer 1

Explanation:

When the little ball bearings of the bicycle fell off, the author's friend told him to catch them. ... Hence, 'it' refers to the absence of even a single ball bearing of the bicycle.

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Answer 2

Answer:

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Explanation:

Ans.: When the little ball bearings of the bicycle fell off, the author's friend told him to catch them. ... Hence, 'it' refers to the absence of even a single ball bearing of the bicycle.