B. Chromosomal abnormality
Answer:
Dr. James Naismith in 1891 :)
Explanation:
I would say addiction becasue then you will continue to want more and more.
Joy, because if you have a heathy life you have a nice life.
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Brainliest?
Answer:
Labor contractions are the periodic tightening and relaxing of the uterine muscle, the largest muscle in a woman's body. Something triggers the pituitary gland to release a hormone called oxytocin that stimulates the uterine tightening.
I hope it's helpful!