He studied the fossils' age and how tall the mountains are. He also studied how old they are. I don't know about Coal Beds but he also used balloons to find out the continents were once a big supercontinent called Pangaea and they apparantly drifted apart
Scott Joplin was the one who introduced the piano works in the style known as Ragtime that flourished along the Mississippi River in the late 19th<span> century and endured as a prominent piano style until the end of World War I. An article in the Sedalia Times recognized him as "The Rag Time King" and it was written that his work is used by the leading players and orchestras.</span>
The correct answer for the question that is being presented above is this one: "working class." Under Roosevelt's New Deal, the group of people were the first to be helped are the <span>working class. He has to make sure because these working class are the possible ones who can increase the economy.</span>
Missouri Compromise is your answer.
