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.
So many places at the same day of the eclipse may see nothing. Hence, the visibility of a solar eclipse is limited. On the other hand, lunar eclipses can be seen everywhere where the moon is in the sky (that is almost every place where it is night) at the same time with the same magnitude.