I think the correct answer is All
4. Students who read below grade level are twice as likely to drop out of high school than those who read at or above grade level.
"<span>C. The smoothie recipe includes the following: frozen berries, yogurt, and vanilla extract" does not contain any errors since the colon being used is immediately preceding a list of items, set off by a "listing" word such as "following". </span>
Answer:
Through Cortez, the king learned how highly the Aztecs valued chocolate.