When the XHTML 1

question 72

Multiple Choice

When the XHTML 1.0 validator reports that the end tag for an element is missing,it means that ____.

• A) a two-sided tag is missing an end tag
• B) a one-sided tag was improperly entered
• C) either a or b
• D) none of the above

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Definitions:

Dream Theory

A set of propositions and ideas proposed to explain the meaning, origin, and purpose of dreams in the human sleep cycle.

Circadian Rhythms

The natural, internal processes that regulate the sleep-wake cycle and repeat roughly every 24 hours.

Sleep-Wake Cycles

The natural cycle of sleep and wakefulness in a 24-hour period, regulated by the body's internal clock.

Circadian Rhythm

The inherent biological mechanism that controls the cycle of sleeping and waking, recurring approximately every 24 hours.