The correct answer is B.
The first two sentences are establishing characteristic shared by both petroleum and coal. The word "however" is used to contrast the similarities already presented with the differences that will be stated in the following sentences.
Answer:
D) having vague goals
Explanation:
By the definition of the words, "Vague" shows unclear vision. Without a clear goal in mind, many undertakings end up wandering aimlessly.
<span>What is one way to analyze a writer’s sentence structure?
</span><span>-language registers,
-literary devices,
-figures of speech.</span>
Happy
Because he said "improved" several times, and improvement is a good thing that makes most people happy