An example of a synthesis reaction is the combination of sodium and chlorine to produce sodium chloride.
sentence 1 should be revised because it shows bias
<h3>What is
bias?</h3>
Bias is the proclivity to prefer one person or thing over another and to favor that person or thing. Bias against women pervades all levels of the legal system. The BBC has come under fire for alleged political bias. Prejudice, leaning, bent, and tendency are synonyms. More Bias Synonyms
Bias is an inclination toward (or away from) one way of thinking, which is often influenced by your upbringing. For example, O.J. Simpson was acquitted of murder in one of the most high-profile trials of the twentieth century. Many people still hold grudges against him, treating him as if he were a convicted murderer.
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Answer:
I think the answer is A because it's giving a warning.
It would be a. "We the people of the United States ... do ordain and establish this Constitution for the United States of America."
We can rule out c immediately, because it has dependent clauses standing on its own. B. can also be ruled out, because the clause in-between the hyphen does not read correctly. A. is correct grammatically, but D. is also grammatically correct and it explains it in a quick and understandable way.