Answer:
In chemistry, there are three definitions in common use of the word base, known as Arrhenius bases, Brønsted bases and Lewis bases. All definitions agree that bases are substances which react with acids as originally proposed by G.-F. Rouelle in the mid-18th century
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I need the answer for this too.
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Answer:
No. b will be the answer
Explanation:
they create a gloomy atmosphere that expresses the family's sadness