Question

\science: why shoelaces knot failure\
by neikan akgun
read lola article
use the article to answer the question.
which sentence from the article contains information that should be left out of an abstract?
(1 point)
○
ight off the bat, they found shoelaces didnt untie when a person just swung their foot nor when they only stamped the ground.\
○ \this result suggests laces made from heavier materials may be more prone to screwing up, because unless youre phenomenally gifted at tying even knots, one free end will likely be longer than the other.\
○ \mechanical engineer oliver oreilly began looking into this tactile problem three years ago, after trying to teach his young daughter to tie her shoes.\
○ \the team acquired a high-speed camera and pointed it at greggs shoes as she ran on a treadmill.\

Explanation:

An abstract should include key findings, results, and methods relevant to the study's core. The sentence "Mechanical engineer Oliver O’Reilly began looking into this tedious problem three years ago, after trying to teach his young daughter to tie her shoes." provides personal anecdotal background (his motivation from teaching his daughter) which is not essential for summarizing the study's scientific content (like methods, results, or conclusions). The other options relate to experimental methods, results, or implications, which are relevant for an abstract.

Answer:

C. "Mechanical engineer Oliver O’Reilly began looking into this tedious problem three years ago, after trying to teach his young daughter to tie her shoes."