The only elements thought to have been formed in appreciable quantities in the big bang are hydrogen and helium. (newscientist.com)
You may, by now, be half convinced but you're probably thinking about several examples of self - publishers who sold appreciable quantities of their books before being picked up by a publisher — how did they do it, then, if not by word of mouth? (digitalpubbing.com)
Even the so - called «clean» H - bombs, in addition to the immediate casualties they would create, produce appreciable quantities of radioactivity. (religion-online.org)