The central idea is that the motion of land masses is explained as a consequence of moving "plates" -- large fragments of the Earth's surface layer in which the continents are embedded.
It has been suggested that this central component could explain as well the reduction in force production by the respiratory muscles after heavy exercise (Verin et al. 2004) and represents a protective mechanism in order that peripheral muscle fatigue does not exceed a critical threshold (Amann et al. 2006).
How can this success be explained if a central chemical concept such as the structural conception of the bond does not pick out anything real in nature?
But those pronouncements seem to be falling on increasingly deaf ears, and for one simple reason, as one woman explained as she stood in central Syntagma Square: It will be months before anyone can decide whether her confidence, and that of many Greeks, is misplaced.
Despite being a global occurrence, Hong Kong seems to have a particularly heightened relationship with charity singles, which explains their function as a central element within the Hong Kong Pavilion: "Charity singles took root in Hong Kong in a big way their popularity lasted well into the new museum," the artist adds.
On one wall, there was a three-hundred-million-year-old fossil of a mesosaur, a freshwater reptile found only in South America and Africa (and which, as Ramachandran likes to explain, is a central piece of evidence in the theory of continental drift).
"You feel you're respected," one 23-year-old sergeant explained, as he stood guard outside the central headquarters.
Ether is explained as the medium in which planets move around the central earth.
This perhaps explains whey Sheffield found itself as a central character in both of his novels.
