Potash cash operating cost of goods sold net of by-product credits, which we define as total cost of goods sold excluding royalties, depreciation, depletion and amortization, was $199 per short ton in the first quarter of 2010 compared to $238 per short ton in the first quarter of 2009.
Answers.comÂ® is making the world better one answer at a time. It is relativley rare to observe a solar eclipse because the sun's light is blocked by the moon.
A total solar eclipse is a phenomenon that occurs quite rarely. It occurs when the sun's lights or rays are totally blocked out by the moon in its orbital cycle around t â¦ he earth. Since the moon is smaller that earth, the shadow it casts only partially covers the surface of the earth. Where the shadow is the darkest, its a total solar eclipse. Where the shadow only partially covers the sun, its called a partial eclipse. visit: en.wikipedia.org/wiki/Solar_eclipse for more detailed info on this. Happy Discovering...