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.
Total solar eclipses occur about once every one to two years, the last one being in March 2015. Itâll be the first time in nearly 40 years the spectacle will be visible from the continental United States, and itâs expected to bring in a flood of viewers, so consider stocking up on some protective glasses.