The sentence which used coordinating conjunction in order to join independent clauses is sentence 3.
<h3>What is a coordinating conjunction?</h3>
A coordinating conjunction is a word that is used to join clauses into a single sentence. Examples include "but," "if," and "and."
In sentence 3, two independent clauses are joined into one sentence by the conjunction, "but."
Find out more on conjunctions at brainly.com/question/8094735.
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Facts and statistics relating to the topic
Not sure about but maybe
Cell differentiation<span> is how generic embryonic </span>cells<span> become specialized </span>cells. Thisoccurs<span> through a process called gene expression. Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a </span>cell<span> functions.</span>
Reflexive verb - When the subject and the object are the same.
For example: "I clean my face"
The subject would be "I" which is basically saying me, and the object is my "face".
So to answer your question, "I brush my hair" is a reflexive verb.
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Hope you understand better!!