Final answer:
The sentence "Arms open and extended, the toddler ran eagerly to her mother." effectively incorporates an absolute phrase to add sentence variety.
Step-by-step explanation:
The sentence that effectively incorporates an absolute phrase to add sentence variety is: Arms open and extended, the toddler ran eagerly to her mother.
An absolute phrase is a group of words that modifies an entire sentence by providing additional information. In this sentence, the absolute phrase "Arms open and extended" describes the toddler's posture as she ran towards her mother.
By using an absolute phrase, the sentence becomes more dynamic and interesting, as it adds descriptive details about the action being performed.
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