Answer: A.) a personal account from a park visitor who describes positive adventures at Grand Canyon and Yellowstone park
Explanation: A personal account of someone who visited some key areas of the park would be the best form of advert. This is so because people find it very easy to relate with the experiences of others and this would serve as the best form of advert for the national park.
Sentence B. is correct.
Sentance C. Should have been "Even his mother admitted he danced terrible."
sentance A and B used badly in properly so that only leaves B.
B!! It showed a flashback he had which is making him anxious.
Answer: Compound sentence.
Explanation: Compound sentences contain 2 independent clauses combined by a comma and coordinating conjuction.
[Mom baked cookies for the school picnic] - Independent clause
[Dad volunteered to grill the hamburgers] - Independent clause
Both the sentences are independent clauses and are combined by the coordinating conjuction ( and) and a comma.
