Answer:
Incan Suspension Bridges - 6
While not necessarily easy to build, they are not much different from a standard hanging bridge.
Incan Terraces - 5
They are not easy to build whatsoever, but not that difficult either. This can be demonstrated by the fact that similar terrances can be seen in other regions of the world like China and Southeast Asia.
Aztec Chinampas - 4
They are basically floating plots of land, like a miniature version of modern day Dutch polders. They were a great feet of Aztec engineering.
Mayan Step-Pyramids - 3
Mayan Step-Pyramids are great feats of Mayan architecture and engineering, and professionals from this area still wonder at them.
Aztec Causeways - 2
This were the canals built in the lake of Texcoco, that connected the Aztec capital: Tenochtitlan, with its sorrounding.
Mayan Calendar - 1
A feat of Mayan mathematics, astronomy, and even numerology, the Mayan Calendar continues to wonder scientists to this day.
Answer:
Explanation:
In the 17th century natality and mortality was managed by the church. The church had all the records of the people that have been born in that period of time, and of the people that had died (and how did they died; if they had a disease or something in between those matters). A historian that is doing some research about the diseases of a specific population would find this information very important; because by reading the funeral records he could come to a conclusion.
A and C because the two other answers didn’t happen during of before the American Revolution
Heat<span> can be transferred from one place to another by conduction </span>in <span>solids, convection of fluids like liquids or gases, and radiation. A </span>temperature<span> difference </span>in a system<span> causes </span>heat<span> to </span>move<span> from higher to lower temperatures</span>
The Rough Riders was a nickname for the 1st United States Volunteer Cavalry, a unit created in 1898 to fight the Spanish-American War. Its first leader was Colonel Leonard Wood, and after he left, future president Theodore Roosevelt took the reins.