is the surge in lh that occurs during the middle of the ovarian cycle triggers

Ovulation

Explanation: Ovulation is a period whereby eggs are released by the ovaries. During the menstrual cycle, there is the presence of follicles in the ovaries and when the follicles are ripe or mature there is a rise in the level of oestrogen produced by the ovaries in a woman leading to a increase in the production of the lutenizing hormone ( LH) thereby resulting in the release of the mature egg(s) by the ovaries.

the answer is a) cell division.

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