I am so sorry but I don't understand the question that you had asked.
Answer:
The answer is s,p,s,s,p
Explanation:
look at the singular words that describe things for example "a" and look athe words "their" and things to know the difference of a plural and singular.
The correct answer for this question it this one: "<span>A. However." </span><span>The paragraph uses "compare-contrast" organization. The paragraph itself gives us the differences and similarities of coal and petroleum. Words such as the "on the other hand," "while," and "however" can be used as signals or clues that the paragraph is organized as compare-contrast one.</span>