I believe your answer would be C) Septum.
<span>Wear shoes with a BLANK ( my answer is "tread") to prevent slipping on ladder rings or steps. Having a tread on your shoe sole will allow the show to have greater friction with its surface which will lessen the likelihood of slippage.</span>
Hello there!
You're answer should be - A.
Hope this helps you!
~Galexie
