1. How much of the world's population is found in developing countries?

Answer

a. 44%

b. 82%

c. 18%

d. 52%

e. 97%
2.1 percent?

To find the answer to the first question, you would need to know the total world population and the population of developing countries.

1. Calculate the population of developing countries. You can find this information from reliable sources such as the World Bank or the United Nations. Let's say the population of developing countries is X.

2. Calculate the total world population. Again, you can find this information from reliable sources. Let's say the total world population is Y.

3. Divide the population of developing countries (X) by the total world population (Y) and multiply by 100 to get the percentage.

(X / Y) * 100 = Percentage of the world population in developing countries

Now, for the second question, it is unclear what you mean by "2.1 percent." Could you please provide more context or clarify your question?