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
Answer:
You have it correct in the question. The punctuation mark (a period) goes at the end
Explanation:
Well, since your thesis statement is supposed to be the last sentence of the first paragraph, your introduction should precede it.
