I'm 90% sure it's a "noun clause"
A is the correct answer
since EMTs are groups of health professionals such as doctors, nurses, paramedics that treat patients affected by an emergency or disaster. They come from governments, charities , militaries and international organizations. Moreover, among EMT¨s duties during and after an emergency medical situation may include: Evaluating a patient
, quickly determining a treatment plan
, offering life support or first-aid to patients
, relaying important medical information about patients to medical staff after transport and ,specially, filling out reports about the treatment performed
. For these reasons an EMT should be cautious about the use of abbreviations and acronyms.
Cause and effect is a common way to organize information in a text. Paragraphs structured as cause and effect explain reasons why something happened or the effects of something. The cause and effect text structure is generally used in expository and persuasive writing modes.
The sentence that can be removed <u>without affecting the explanation</u> is "<em>In the 1800s, the United States was still a very young nation, trying to solidify its identity</em>."
The reason this sentence can be removed is that it does not offer any necessary information to the explanation. The passage is about how technology leads to bigger cities. This information is conveyed just as efficiently without the need for the first sentence.
Rather than serving to offer information, the first sentence in the passage serves as a sort of <u>introduction</u> to the text. The very next sentence can just as easily serve as an intro to the passage while providing context for the development of early technology that led to the industrial revolution.
For these reasons, the sentence "<em>In the 1800s, the United States was still a very young nation, trying to solidify its identity</em>." can easily be removed from the passage <u>without affecting</u> the explanation.
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