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.
Itâs rare to have 7 eclipses in a calendar year. Itâs less rare to have 7 eclipses in 365 days. There are 7 eclipses in 365 days 29 times in the 21st century! A solar eclipse happens at new moon, when the moon passes between the sun and Earth.