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Chapter 17
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(n.) someone who has special knowledge, skills, or experience relating to a particular area of study or work
specialist
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(v.) to share information or ideas with others by speaking, writing, or moving your body
communicate
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(v.) to suddenly break apart with great force and send pieces flying outward
explode
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(n.) a person who knows a lot about a certain topic
expert
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(n.) an end result that you are working toward or trying to achieve
goal
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(v.) to make someone want to do something or give someone a reason for doing something
motivate
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(adj.) paid to do a sport or activity that most people do as a hobby
professional
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(adj.) having the possibility of a bad, dangerous, or important result
serious
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(n.) careful study of a subject that is done to discover new information
research
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(n.) something, especially a chance to do something, that makes you proud because it shows that others respect you
honor
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(n.) a job or task that you are expected to take care of or deal with
responsibility
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(v.) to say that someone may have or do something
allow
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(n.) the part of a spacecraft in which people travel, usually one that separates from the main rocket and comes back to Earth
capsule
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(adj.) very important, needed, or basic
essential
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(v.) to shoot or send something, such as a rocket, into the air, water, or outer space
launch
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