Answer: D) "Since horses were not introduced to the Americas until Columbus, the Aztecs and Incas did not use horses or advanced weapons, while the Afro-Eurasians had highly developed cavalries and weaponry."
The answer is not A because Afro-Eurasia was composed of giant empires and governments, not small ones. The answer is not B because slavery was acceptable in the Incan and Aztec empires <u>as well as</u> in the Afro-Eurasia. Finally, it can't be C because in Afro-Eurasian governments, <u>only a few</u> were centered on religious beliefs, not all.
Answer:
The answer is a double-blind study.
Explanation:
A double-blind study is a research method in which neither the participants or the researchers are aware about which group is receiving the treatment. This is done in order to avoid biases such as the placebo effect, as well as preventing accidental cues given by the researchers.
The greatest advantage of this approach is its high validity.
This is incorrect. There is no mention of democracy anywhere in the declaration of independence. The ideas of democracy are implied because explanations about life and liberty are democratic as well as the unalienable human rights part. The declaration is more about getting away from the tyrannical king than it is about establishing democratic principles. That's what the constitution was for.
Answer:
I'm 99% sure it's answer D state
Explanation:
Answer:
C
Explanation:
it should be all of them really but c and d are the best options so I would go with c
a control group is making an observation