I'm not an expert on this but I'm speculating "fracking"
Which uses high water pressure to extract the coal.
I think the boy should be 9 years old because he know about the surface area and height
They were going to avoid the sugar act by refusing to pay taxes.
Answer: The Tenth Amendment
Explanation:
The Tenth Amendment (Amendment X) to the United States Constitution, which is part of the Bill of Rights, was ratified on December 15, 1791. It expresses the principle of federalism and states' rights, which strictly supports the entire plan of the original Constitution for the United States of America, by stating that the federal government possesses only those powers delegated to it by the United States Constitution. All remaining powers are reserved for the states or the people.
No, if he used his frequent flyer points then he would've had to pay for plane rides to obtain said frequent flyer points