21 is the answer
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The answer is A.It releases spermicide into the uterus to keep sperm from fertilizing eggs. Hope this helps
Answer: The effects of divorce on children under five is increased temper tantrums, have difficulty sleeping, and have more separation anxiety. The effects of divorce on school-aged children is feeling sadness, guilt, and anger about the situation. They may become disinterested in school work and may develop phobias