The US Soil Classification System Has Not Been Updated Since the the Mid-1970s

question 62

True/False

The U.S. soil classification system has not been updated since the mid-1970s.

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Definitions:

Hands Went Numb

A loss of sensation or feeling in the hands, often caused by nerve damage, poor circulation, or conditions affecting the nervous system.

Biological Cause

Refers to the physiological and genetic factors that affect the occurrence of certain conditions or behaviors in organisms, including humans.

Hypochondriasis

An excessive preoccupation with the fear of having a serious illness, despite medical reassurance; also known as illness anxiety disorder.

Bruises

Discolorations and damage under the skin resulting from trauma causing blood vessels to break without an open external wound.