1. Run - On Sentence; My dad taught me how to tie my shoes it was eas (2 points)
a. My dad taught me how to tie my shoes, and it was easy.
b. My dad taught me how to tie. My shoes it was easy.
O C. None of the above

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c none of the above

Explanation:

a could have been a run on but there was a comma

b makes no sense

Because people did not know that yellow fever was caused by the bite of an infected mosquito, they assumed incorrectly that people could catch the disease through touch. To help control the disease, letters were cleaned with vinegar before being sent. This did not work, because it was a false cause-and-effect relationship.