Of course, there are real mysteries (sometimes even real conspiracies) in the world; there are concentrations of power and networks of influence that deserve to be investigated -- by people who respect the rules of evidence.
"If I had any concerns it would be that there are concentrations that could affect the animals in a way that makes them more susceptible to other causes of mortality," he said.
There are concentrations in Moldavia, Transylvania around the city of Cluj, the Jiu Valley, and on the Danube floodplain.
Quite distinct from the Silurian reef mounds are concentrations of tabulate corals and lamellar stromatoporoids that lived in shallow water on a level seafloor.
The United States Department of Agriculture has an online map showing where there are concentrations of grocery stores, and where fresh, healthful food is not readily accessible.
Partly because of their strong ties to one line of work, Filipinos have no single Little Manila in the city, but there are concentrations of Filipinos in neighborhoods with large hospitals, like Elmhurst in Queens, the Norwood section of the Bronx and Stuyvesant Town in Manhattan.
In areas where there are concentrations of ethnic minorities, BBC local radio should take over the duties of the Asian Network, the digital station that is faced with closure along with 6 Music, and in off peak link up with community, hospital and student radio groups.
"Until today Italy hasn't taken any measure of a military character," Il Duce said, "but if others continue to recall reservists and to mass them along frontiers, if there are concentrations of fleets, it's obvious that none of you will be amazed if Italy also takes precautions".
In that space, there are concentrations of outcomes by color.
Now I'm no bomb expert, but as far as I remember bombs are concentrations of explosives connected to some sort of detonation system.
Gas compositions are concentrations (ppm vol) in the effluent gas stream over time.
