The relative motion of the plates carrying these continents has been constructed in detail, but the motion of the plates with respect to another cannot readily be translated into motion with respect to the earth's interior.While warnings are often appropriate and necessary--the dangers of drug interactions, for example--and many are required by state or federal regulations, it isn't clear that they actually protect the manufacturers and sellers from liability if a customer is injured.
No clear-cut distinction can be drawn between professional and amateurs in science: exceptions can be found to any rule. Nevertheless, the word "amateur" does carry a connotation that person concerned is not fully integrated into the scientific community and, in particular, may not share its values.
This development--and its strong implication for US politics and economy in years ahead--has enthroned the South as America's most densely populated region for the first time in the history of the nation's headcounting. Often they choose--and still are choosing--somewhat colder climates such as Oregon, Idaho and Alaska in order to escape smog.crime and other plagues of urbanization in the Golden State.
While in America the trend started as a reaction to the economic decline-after the mass redundancies caused by downsizing in the late ' 80s-and is still linked to the politics of thrift, in Britain, at least among the middle-class down shifters of my acquaintance, we have different reasons for seeking to simplify our lives.
