<span>Comets are made of ices, such as water, carbon dioxide, ammonia and methane, mixed with dust. These materials came from the time when the Solar System was formed.
A comet is a small object made of ice and dust that orbits the Sun and foems a coma as it approaches the Sun.
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Originally, the SAT I was meant to test aptitude and the SAT II was meant to test achievement. That is to say, one tested what you were capable of and the other tested what you knew. But when the College Board moved away from the idea that the SAT I tests innate ability, they framed it as a reasoning test, making the difference between the two less defined.
With the latest changes, the SAT I (now just the SAT) is more focused than ever testing knowledge rather than logic. At this point, I would say that the SAT tests general knowledge and and the Subject Tests assess topical knowledge.
Answer: Your answer is <u>Sulfur dioxide or SO 2</u>
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The conclusion that the writer should add to summarize the argument of the passage is: "Hence, more schools should follow the trend of starting later in the morning if they want to see improved test scores, greater attendance numbers, and, most importantly, healthier, happier teens."
<h3>Meaning of a text's conclusion</h3>
The conclusion of a text is the final part of the text where the author summarizes the main ideas of the text.
The text above encourages the opening of schools later to help students enjoy longer hours of sleep. The conclusion beginning with the transition, "hence" aptly summarizes this point.
Learn more about conclusions here:
brainly.com/question/12809344
I'm really sorry but you didn't gave any options...