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Motor vehicles and growing population produce speed , but the effect varies greatly among plant species ; photochemical air pollution affecting not only the ...
Cockerell ( since knighted ) bypassed Thornycroft's plenum chamber ( in effect , an empty box with an open bottom ) principle ( see illustration ) ...
... 6 7 8 9 10 hours General effects of intoxication rect action of alcohol on the ... but by its effect on the brain centres that control their activity .
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LibraryThing ReviewUser Review - keylawk - LibraryThing
This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review