Deeper in the earth's crust there is more volcanic rock than other types of rocks. why is this so?

Using the pictures and text for reference describe what had to be done to create the central park today

In ohio in 1872, the cleveland massacre was a violent labor dispute at standard oil refineries in cleveland. a takeover by standard oil of the refineries in cleveland. an attempt to stop standard oil from becoming a monopoly. a failed attempt by standard oil to take over other refineries.

The holocaust is associated with which conflict? question 9 options: world war i world war ii the cold war russian revolution