Answer:
d. act as a control that would ensure that the results obtained are due to a difference in only one variable.
Explanation:
The primary reason for including a comparison population within the design of this experiment in which there was a need to also examine a comparison population of humans in which births took place every month would be to act as a control that would ensure that the results obtained are due to a difference in only one variable. This would ensure more accuracy of the experiment in relation to the factor considered.
Bacteria has a biotic factor
Answer:
After three months of fighting, Cortes defeated the capital city of the Aztec Empire, Tenochtitlan. ... The surviving Aztecs were highly susceptible to European diseases previously unknown to their culture, such as smallpox and typhus. In 1521, smallpox decimated the population of Tenochtitlan.
Answer: Lack of adequate health care.
Explanation: lack of access to
affordable, quality and adequate health care has resulted in the high infant mortality rate in the U.S as compared to other affluent country.
If political parties in the united states did not search out and encourage political hopefuls, then voters would have limited choice.
The political party in the US are an important part to maintain the democracy of the country. The main parties of the US congress are The Republican party and the Democratic party. Other parties also called third party includes The green party, Libertarians, constitution party and natural law party.
If these parties do not look out for the potential members and encourage the political hopefuls, it may lead to the voters suffering due to lack of choices for them. It can even lead to chaotic or unstable condition.
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