Answer:
O acid rain destruction as a result of harmful emissions.
Explanation:
Aid rain occurs when sulfur dioxide and carbondioxide gases are released in the atmosphere from industries. These gases mixed with water in the atmosphere produces acids such as sulfuric acid and carbonic acid which destroy animals and plants when falls on the ground in the form of precipitation. Ground and water pollution also occurs due to waste liquids that flows from the industries to the water bodies that greatly affect biodiversity.
Scared people to not read it
Human sacrifice and expansion was the answer because the Aztecs were a feared tribe and conquered many people. They had always practiced human sacrifice and that was one of the reasons that Hernan Cortes had been horrified about. It couldn't have been anything about conquering Mayans because their civilization had died out for some strange reason.
I looked, I can't answer this without a pic of some artical
Answer: American Indians are content with what they have.
Explanation: ur welcome cuhh