Multiple Choice
Which type of energy is most commonly used in the homes of those living in the poorest nations?
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1. Introduction to Biology
Introduction to Biology
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Which of the following was one reason the Aztec settled in the Valley of Mexico?
A
The climate was too cold for most other civilizations to survive.
B
It was located far from any other civilizations, ensuring complete isolation.
C
The region had abundant water sources and fertile land for agriculture.
D
It was the only area free from volcanic activity.
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