Which of the following notes would be most relevant if you were researching the structure of sky scrapers ​

Which of the following notes would be most relevant if you were researching the structure of skyscrapers?

A. Skyscrapers focused on bringing business into cities.

B. The height of skyscrapers became popular in big cities.

C. Materials made from steel are lighter than stone.

D. A degree in engineering and architecture is required.

C. Materials made from steel are lighter than stone.

Explanation:

The notes that would be relevant if I were researching the structure of skyscrapers are materials made from steel are lighter than stone.

This is because, looking at and comparing the materials from steel and stone, you would discover that that of steel is stronger and more durable for building a skyscraper.

This answer is correct for PLATO

dr. kings dream speech

explanation:

it was late in the day and hot, and after a long march and an afternoon of speeches about federal legislation, unemployment and racial and social justice, the rev. dr. martin luther king jr. finally stepped to the lectern, in front of the lincoln memorial, to address the crowd of 250,000 gathered on the national mall.

  this had halp