A Hashtag Is a Keyword or Phrase Used to Identify

question 144

True/False

A hashtag is a keyword or phrase used to identify a topic and is preceded by a hash or pound sign (#). For example, the hashtag #sandiegofire helped coordinate emergency responses to a fire.

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Definitions:

Temperature

A physical quantity that expresses hot and cold, measured with a thermometer and scientifically defined through thermodynamic principles.

Light

A specific segment of the electromagnetic spectrum that can be seen by the human eye.

Wake-Sleep Cycles

The recurring patterns of sleep and wakefulness, reflecting the natural internal process that regulates the body's sleep need, typically aligned with the 24-hour day-night cycle.

Binocular Rivalry

A phenomenon in visual perception that occurs when each eye perceives a different image, leading to an alternation in awareness between the two images.