<span>Abstinence (from heterosexual sex) is the only method listed that is 100% effective at preventing pregnancy. When the other methods are used for pregnancy prevention during sex between a sperm-producing body and an egg-producing body, there is the possibility that some sperm will still come into contact with an egg.</span>
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Answer:
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Answer:
4.50+1.25n=8
Step-by-step explanation:
subtract 4.50 from both sides of the equation which would leave 1.25n=10
then divide 1.25 from 1.25n and 10
n=8
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