This question has two parts. First, answer part A. Then, answer part B. Part A
What is the purpose of the first paragraph of the article?
A to tell where the Eiffel Tower and Hoover Dam are located
B. to show just how different the Eiffel Tower and Hoover Dam are
C. to explain what is meant by the phrase "marvels of engineering"
o
D. to describe how one type of material was used to make different
structures