Radiation is a concern with travelling away from the Earth. What kind of radiation is concerning to astronauts in this journey? ( the trip to Mars)
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Whats the biggest sea in the world?

How would you find the measure of one interior angle

If we review the changes in the landscape surrounding the great salt lake in utah we can see a change in topography. look at the area to the south of the lake. what change has occurred during the last twenty-nine years? a) erosion of the hills b) an increase in marshland c) flooding of the area and the development of wetlands d) deposition of sediments and an increase in elevation