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in direct contact with the atmosphere through open spaces in permeable material
, it is called free , and the groundwater is unconfined . Aquifers containing water
in these conditions are called unconfined sensu lato . Confined water is ...
The elements required in relatively large amounts are called major elements —
nitrogen , phosphorus , potassium , calcium , magnesium , and sulfur . The
minerals required in small quantities are called trace elements , iron , boron ...
This is called stranger and anxiety and even may be elicited by the father's face
at anxiety the appropriate point in the infant's development . A common source of
concern among fathers who have grown accustomed to smiles from the infant ...
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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