The New Encyclopaedia Britannica
Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries - 934 pages
 Propaedia: outline of knowledge and guide to the Britannica.--- Micropaedia: ready reference and index.--- Macropaedia: knowledge in depth.
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This balance depends upon the mean annual air temperature and the
geothermal gradient. The average geothermal gradient is an increase of 1° C for
every 100-200 ft (30.5 to 61 m) of depth. Eventually the thickening permafrost
Figure 2 shows the variety of ice forms existing under appropriate conditions of
temperature and pressure. Ice IV, known only for heavy water, is metastable and
is not shown. Ice VII has a density of nearly 1.7 grams per cubic centimetre and ...
Pressure. and. Temperature,. Biological. Effects. of. AH biological activities
depend upon the chemical reactions that constitute the metabolism of living
things. These reactions are influenced by ...
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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