I would say a seems like the most fitting because the aztec religion wasnt very populat
The best definition of unicameral is a government with one legislative body, hence the word "uni". The United States had a unicameral type of legislature but was later changed because all the states had the same number of representations, even though a state has a low or high amount of population. The United States changed from a unicameral to a bicameral legislature, which is composed of the Senate and the House of Representatives.
The reason why one case of influenza does not confer lifelong immunity is that the virus tends to mutate overtime which makes it unrecognizable to the immune system.
<h3>Why is it difficult to get immunity to influenza?</h3>
Influenza is caused by a virus which tends to mutate overtime in order to stay ahead of medical technology.
As a result, this mutation makes the original virus unrecognizable to the immune system which would then be unable to fight it.
Find out more on natural immunity at brainly.com/question/21480961
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