Nitrogen also occurs in mineral deposits of nitre or saltpetre (potassium nitrate, KNO3) and Chile saltpetre (sodium nitrate, NaNO3), but these deposits exist in quantities that are wholly inadequate for human needs.
Other carbon isotopes do exist, but they exist in quantities so small that, for this example problem, they can be ignored.
Media dynasties still exist in quantity, but their long-term prospects are cloudy, and many of their firms already are seen as prime acquisition bait.
Southern China has extraordinarily valuable varieties, such as "fragrant rosewood" (Dalbergia odorifera), but they have been overexploited and may never have existed in large quantities.
"The problem is if it existed in commercial quantities, it seems someone would have found it by now". "I don&apos t disagree with the idea," Katz said.
The great beds found in the tomb of Tutankhamen were put together with bronze hooks and staples so that they could be dismantled or folded to facilitate storage and transportation; furniture existed in small quantities and when the pharaohs toured their lands, they took their beds with them.
On the other hand, if matter and antimatter had existed in equal quantities at the beginning, they would have annihilated each other so completely by now that the universe would be filled with nothing more than a glow of electromagnetic radiation.In this section How to build a B-factory What's the matter?
On Fox News, Shepard Smith asked Jackson, "How in the world are we just figuring out this dispersant is toxic after we have put millions of gallons of it into the Gulf of Mexico?" The following day, BP argued in a letter that only one alternative existed in sufficient quantity, and that the company was unable to acquire the proprietary formula for evaluation in so short a time.
However, this does not rule out the possibility of as yet unknown longer-lived isotopes or nuclear isomers existing, some of which could, if long-lived enough, still exist in trace quantities today.
Two resources are known to exist in large quantities.
