<em>Answer:</em>
<em>astigmatism </em><em> </em>
<em>Explanation:</em>
<em><u>Astigmatism</u></em><em> is described as one of the common conditions associated with an eye that leads to developing blurred vision in a person. Astigmatism generally occurs when an individual's cornea i.e, the eye's front cover is being irregularly shaped or at times due to the lens curvature present inside his or her eye. Astigmatism can cause distorted, blurry, or fuzzy vision. </em>
<em><u>As per the question, Nigel is exhibiting symptoms of astigmatism.</u></em>
From the given the roles of the government in a mixed market economy helps to ensure that prices are fair and ensures businesses are able to make a profit.
Option A and D
<u>Explanation:
</u>
The US and British economies have already developed into mixed economies.
Yet India's mixed economy is special, as the government sector plays a more involved, critical and comprehensive role in economic growth and operating in the mixed economy in India.
While the mixed economies of the United States and Britain are market-oriented India's mixed economy is socialist-oriented.
In distributing insufficient funds and distribution of taxes, the State has a role to play in the mixed economic system. Given the essential role of government, however, financial activities are open for Private firms and entities.
The mixed economy functions through both the price mechanism and the government's plan. Profit-making and these decisions are based mainly on the price mechanism.
Answer:
B. to pay for new roads and canals across North America
Answer: Genetic Drift
Explanation: Genetic drift is an evolutionary mechanism whereby gene or allele frequency of a particular population change over generations due to random chance. The effect of genetic drift is most visible in small population due to reduction in population size resulting from natural disaster or splitting of a small group from the main population to formation a colony. However, it can occur in large population as well but it's effect is as strong as that occurring within a small population.
The genetic drift among the Dunkers could be attributed to the official split between conservatives and progressives members in 1882.
