Can anybody choose the correct answers pls...

Economics is an inquiry into the nature and causes of The Wealth of Nations. (Option C).
Scottish-born Adam Smith, a philosopher and economic theorist, was born in 1723.
He is most known for his revolutionary work on economics, "An Inquiry into the Nature and Causes of the Wealth of Nations," published in 1776.
The above scenario would translate into added costs which may lead to a loss. The additional cost will come from transporting goods to a far market. Hence the correct answer is option C.
Supplementary and complementary goods (Option D).
Two things are considered supplementary or complementary when they are utilized in tandem. For instance, if you own a car, you also need gas to power it.
A supplemental item if you own a television would be an Amazon widget, which gives you access to a far wider selection of television shows.
The condition where there is higher price, leading to higher supply meets the above criteria. Hence the correct answer, which corresponds with the law of supply, is Option D.
The tertiary sector encompasses a wide range of activities, including commercial and personal services, education, health care, social work, transportation, financial and real estate operations, and administration.
Hence the correct answer is (option A)
The above are examples of complementary goods (Option A). This is because, you need petrol to be able to run a car.
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