They're used by humans for fossil fuel and in entertainment. They were not created by the human race, they were created through thousands of being underground and soft tissues quickly decompose leaving the hard bones or shells behind. Over time sediment builds over the top and hardens into rock.
There was an opposition to the constitution because many states such as New Jersey felt that their independent- almost their own country- like power was being taken away and they would have to live under what a unified national government said.
Explanation Answer:
As enslaved people became more and more in demand in the South, the slave trade that spanned from Africa to the colonies became a source of economic wealth as well. Working long hours, living in crude conditions, and suffering abuses from their owners, African captives faced harsh conditions in colonial America.
Vatican City still belongs to the Catholic church.
Answer:
Thomas Newcomen
Explanation:
In the early 18th century, more specifically in 1712, an American inventor managed to create a steam engine for a ship. Newcomen was the inventor that came out with this revolutionary inventions for the marine travel. The goals of course was to make the boats and ships much quicker, to not depend on the weather conditions but on their own power, and the man power to be replaced with steam power. Even though the initial steam engine was far from perfect, it managed to inspire many other inventors in the years to come to develop much better and more practical steam engines for ships, which eventually improved significantly the marine transport and warfare.
