Answer: the correct answer is B.-The use of technical language demonstrates the author's solid knowledge of the topic.
Explanation: The article is not written just for engineers since it informs us of a new generation of batteries that can be useful for everyone. The language is not a scientific report because normal people can understand it. Not only NASA scientists can write this kind of articles since it is a down to earth article.
Well, this may be a vague explanation, but, dropping out of school makes it look like you hate school so much you drop out... and then peoples' opinions come in, and they label the dropouts as "punks" or even, sometimes, "delinquents".
Give more details please.
You may be closer to work, and there will be more job or business opportunities because there are more people
