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.

[Q]: In chemistry and physics , activation energy is the energy which must be provided to a chemical or nuclear system with potential reactants to result in : a chemical reaction , nuclear reaction , or various other physical phenomena .
[A]: The activation energy of a chemical reaction is the minimum energy that is needed to make the reaction happen .


[Q]: Arlington County is a county in the Commonwealth of Virginia , often referred to simply as Arlington or Arlington , Virginia .
[A]: Arlington County is a county in Virginia .


[Q]: The Ge 'ez script is an abugida : each symbol represents a consonant + vowel syllable , and the symbols are organized in groups of similar symbols on the basis of both the consonant and the vowel .
[A]:
The Ge 'ez script is an abugida .