In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
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Question: In mathematical analysis , the maxima and minima ( the respective plurals of maximum and minimum ) of a function , known collectively as extrema ( the plural of extremum ) , are the largest and smallest value of the function , either within a given range ( the local or relative extrema ) or on the entire domain of a function ( the global or absolute extrema ) .

Answer: In mathematics , the maximum and minimum of a function are the largest and smallest value that the function takes at a given point .

Question: Belarus declared itself sovereign on 27 July 1990 by issuing the Declaration of State Sovereignty of the Belarusian Soviet Socialist Republic .

Answer: Belarus said it was free on 27 July 1990 .

Question: The depressurization creates bubbles by lowering the solubility of gases ( including water and CO ) that are dissolved in the lava , causing the gases to rapidly exsolve ( like the bubbles of CO that appear when a carbonated drink is opened ) .

Answer:
The loss of pressure makes bubbles by lowering the boiling point of the lava ( like the bubble-creation when a carbonated drink is opened ) .