The scientist and her assistant were so excited for the experiment to begin. what is the conjunction in the sentence?

and is the conjunction in the sentence.

The conjunction is the word, "and," Highly recommend the old school house song on conjunctions.  

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(i can't select because there is no options but, i will answer) using evidence effectively. most of the assignments you will do in university will ask you to make an argument, to take a stance, or to prove a hypothesis. the best way to do this is to research the topic, develop a thesis statement, hypothesis, or claim and then use evidence to support this claim.