The high level cloud pictured here consists mainly of ice crystals and is due to convection 
Definitions:
Uterine Lining
The innermost layer of the uterus, known as the endometrium, which thickens during the menstrual cycle in preparation for possible pregnancy and sheds during menstruation if no pregnancy occurs.
Sperm
The male gametes.
Pregnancy
The condition of having a developing embryo or fetus in the uterus, marked by various physical and hormonal changes in the body.
Menstrual Cycle
The more-or-less monthly process during which the uterus is readied for implantation of a fertilized ovum. Also known as uterine cycle.
Q12: Which of the following locations represents the
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