Which of the given objects has the largest size (nanoscale comparison)

The same question, asked 2 times: 16 May 2023 S2*, 18 Apr 2026 S1. Every wording below, oldest first.

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Question 1
16 May 2023 S2
98 $Which from following is a largest size nanomaterial?$
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Question 2
18 Apr 2026 S1
47 $Which of the following has largest size?$
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