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Answer:
Facts: Students must take Algebra I before they can take Algebra II. Dara is currently taking Algebra II.
Conclusion: Dara has taken Algebra I in the past.
Explanation:
This fact states that "Students must take Algebra I before they can take Algebra II", meaning there is no possibility that Dora hasn't taken Algebra l. The other conclusions don't have one definitive possibility.
Your fine( I just need this for an answer
the net charge of an ion is non-zero due to its total number of electrons being unequal to its total number of protons.
