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both sides in the war used military observers in hydrogen-filled balloons to watch the enemy's movements
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Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.
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About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?
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Chemistry, 23.06.2019 01:00
Wind and moving water provide energy. chemical mechanical thermal none of the above
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both sides in the war used military observers in hydrogen-filled balloons to watch the enemy's movem...
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