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How long would an unmanned

How long would an unmanned lighthouse containing 10kg of 90Sr produce at least 1kW of thermal power, which would keep a good
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2. asked by petetmk
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Why was the Kennedy Space Center first created? (1 point) Responses For unmanned space missions For unmanned space missions For
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Why was the Kennedy Space Center first created?(1 point) Responses For unmanned space missions For unmanned space missions For
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What is the scientific principle involved in unmanned level crossing?
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2. asked by Aparna
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What is the scientific principle involved in unmanned level crossing?
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2. asked by Aparna
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Unmanned Aerial Vehicles (UAVs) are being utilized more in the:a Tourism b transportation c Medical industry d Military
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what are the limitations on practical interstellar travel for both manned and unmanned craft and what are some proposed ways to
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2. asked by sasha
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An unmanned spacecraft leaves for Venus. Which statements about the spacecraft’s journey are true?
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2. asked by Kyler
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Which of the following BEST describes the SeaOrbiter?A. an underwater gazebo that has small pockets of air for divers B. an
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Which of the following BEST describes the SeaOrbiter?A. an unmanned ROV that can descend to the deep ocean floor B. an
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