Respuesta :
Explanation:
occurring continuously over a period of time.
"the constant background noise of the city"
con·stant )
1. Continually occurring; persistent: constant surveillance. See Synonyms at continual.
2. Regularly recurring: plagued by constant interruptions.
3. Unchanging in nature, value, or extent; invariable: a constant wind speed.
4. Steadfast in purpose, loyalty, or affection; faithful. See Synonyms at faithful.
n.
1. Something that is unchanging or invariable.
2.
a. A quantity assumed to have a fixed value in a specified mathematical context.
b. An experimental or theoretical condition, factor, or quantity that does not vary or that is regarded as invariant in specified circumstances.
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