I believe the correct answer is B. relative.
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Escape velocity is the lowest velocity that someone's body must be to be able to escape the gravitational attraction of a planet or an object in space.
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The history of Captain Nemo in the book "Twenty Thousand Leagues Under the Sea" remains a mystery. However, in the course of the narrative, the reader is given some clues of what forged him as a stern captain. When he says "There I am free", referring to the ocean, it is possible to infer that he had a somehow captive life on land. He also reaffirms his refusal to go back to land for he would sacrifice the freedom of knowing the submarine world in his Nautilus. The words "builder" and "engineer" denote an academic education, the best disponible back then; he was able to design a submarine with electrical technology, the great Nautilus that made that under water journey possible.
"Although it would be hard for schools to change start times for many reasons, they should at least give it a try. It would help kids get better grades and do better in school. They would also be able to have better sleep schedules. Poor sleep can lead to depression and other problems which harms school progress. You wouldn't your kid to do bad in school because of the times, right?"
