Question
What was the name of the satellite that collected the
first light images of Earth, it's a joint mission between NASA and USA Geological Survey?Solution
Launched on 27 September, a joint mission of NASA and USA Geological Survey (USGS).
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A tank has two inlet pipes, A and B, and one outlet pipe, C. Pipe A can fill the tank in 6 hours, and pipe B can fill the tank in 8 hours. Pipe C can em...
