I wanna say that it is C. Most of the other obviously do not make sense.
Answer:
A. Older siblings teaching younger siblings how to ride a bike.
Explanation:
I think a colon should be placed after approached, included, and cultures.
Hope this helps!
The word that fit the definition would be : A. Suffix
affix is placed at the end of the word
Prefix is used before the word while root is used in the middle of the word
hope this helps