migrated from stackoverflow.com Jun 20 '10 at 3:23. 1  Excel is a spreadsheet application that saves files into its own format while CSV is a standard of saving tabular information into a delimited text file. 2  CSV is a very old method of saving tables compared to Excel.
Authigenic sediment, deep-sea sediment that has been formed in place on the seafloor. The most significant authigenic sediments in modern ocean basins are metal-rich sediments and manganese nodules.
A: The term nodule is usually used to describe a small rounded growth or lump. This can appear anywhere on or in the body. Or it may be found on an X-ray or other type of scan. Nodules can be a sign of cancer, but more often they are benign (noncancerous) growths. Pulmonary nodules are small rounded growths in the lung. They're usually found on chest X-rays or CT scans. Causes of pulmonary nodules include: