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Explanation:
fertilization in flowering plants happens through a process called pollination.
fertilization occurs when one of the sperm cells fuses with the egg inside of an ovule.
after fertilization each ovule develops into a seed
answer2
the humancirculatory system is a double circulatory system it has two separate circuits and blood passes through the heart twice the pulmonary circuit is between the heart and lungs the systematic circuit is between the heart and the other organs
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