Lumber, When First Cut from the Log, Is Called Green

question 26

Multiple Choice

Lumber, when first cut from the log, is called green lumber and is very heavy because most of its weight is ____.

• A) lignin
• B) water
• C) cellulose
• D) heartwood

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Definitions:

Sensory Information

Data obtained from the environment through the senses, such as sight, hearing, smell, taste, and touch.

Arousal

A physiological and psychological state of being awake or reactive to stimuli.

Paradoxical Sleep

Another term for REM (Rapid Eye Movement) sleep, characterized by high brain activity and vivid dreaming, despite the body's muscles being in a state of paralysis.

REM Sleep

Rapid Eye Movement sleep, a unique phase of sleep characterized by vivid dreaming and paralysis of motor systems.