I Think The Answer Is outta A or B
Answer:
Life on Earth evolved in oceans, while the land was not suitable for living due to lack of ozone and oxygen. With time, photosynthesis enriched our atmosphere with oxygen and the ozone layer was formed. This allowed the ocean-based life forms to evolve and venture onto land. From skeleton-less soft bodies, animals evolved lighter bodies with slim, strong legs to carry them against gravity. They had hard exoskeletons to protect them against weather elements such as rain,...
Explanation:
Answer:
In The U.S. it was first patent wire issued in 1867.
Explanation:
Barbed Wire (corrected) Was first issued in 1867 For The U.S.
Which Means At This Time this was sold and used.
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.