What is andrew carnegie most well known for.

steel tycoon

Explanation:

While working for the railroad, Carnegie began making investments. He made many wise choices and found that his investments, especially those in oil, brought in substantial returns. His business, which became known as the Carnegie Steel Company, revolutionized steel production in the United States

hello most volcanoes are located at either divergent or convergent plate

this is where the plate motions aswell form magma