Answer:
D) were still thriving when the Spanish arrived.
Explanation:
Both the Maya and Olmec civilization had disappeared centuries before the Spanish arrived.
The Aztec and Inca Empires, on the other hand, were still thriving. The Aztec empire in Central Mexico, and the Inca Empire in South America, along the Andes Cordillera.
The Aztec Empire was conquered by Hernan Cortes, while the Inca Empire was conquered by Francisco Pizarro.
I personally think the answer is
a. There are few residential areas and thus few adolescent recruits.
~Hope this helps!
Infer cause and effect
The advantage of an experiment is that it allows a researcher to infer cause and effect.
Experimental research is a scientific method of conducting research using two variables called- independent and dependent. Independent variables can be manipulated to apply to dependent variables and the effect is measured. This measurement usually happens over a significant period of time to establish conditions and conclusions about the relationship between these two variables.
Experimental research allows to test the idea in a controlled environment before taking it to market. It also provides the best method to test any theory.
To know more about research here
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Answer:
Many Australians depend on underground aquifers for water because Australia is over-populated w.r.t. natural fresh water resources ? ... Australia had to look for alternative water sources at a very early time in it's colonization. Aquifers are cheap and convenient addition to water resources but they are not infinite.
Explanation:
