Answer: a block of ice as long as a football field.
An appositive is a noun or noun phrase which identifies in a different way another noun placed beside it. In this case, the phrase "a block of ice as long as a football field" is a phrase that is renaming the noun "glacier." Appositives are usually set off by commas.
Keep in mind a secondary source is "information written by someone who did not experience first-hand."
Thus the answer is A.
Answer:
B. Individuals may contribute to systemic racism without realizing it.
The correct answer is D. All of the above.
