Why do Sierra Leone and Tanzania have different economies?
A. Tanzania does not have apartheid.
B. Sierra Leone has no slaves.
C. Only one is a Communist state.
D. They have different natural resources.

D.

Explanation:

Sierra Leone is a Republic Country situated at the southwest coast of West Africa. Economy of Sierra Leone depends on the mining industry but on diamond majorly. The country is also known as the larger and major producer of gold, titanium, and bauxite.

On the other hand, Tanzania is a Republic country situated in East Africa. The highest mountain in Africa, Mount Kilimanjaro, is situated in the northwestern Tanzania. Economy of Tanzania relies majorly on farming and agriculture. Major crops to be grown in the country are maize, beans, rice,  sweet potato, etc.

So, the difference between economy of Sierra Leone and Tanzania is due to different natural resources that these two countries have. Thus the correct answer is option D.

true. the definition explains it: a word or phrase that modifies or qualifies an adjective, verb, or other adverb or a word group, expressing a relation of place, time, circumstance, manner, cause, degree, etc. this is a dictionary definition that i have looked up in a dictionary.

the sentence that avoid faulty coordination is:

culture, which is well represented in philadelphia, plays a major role including theatre, music, and the visual arts.  

faulty coordination occurs when the writer gives equal importance two different ideas (clauses) which in fact are not equivalent. in order to correct a misplaced clause or idea, the writer can place less important or emphatic ideas in a relative clause as in the previous sentence.