Because of its chemical structure.
I’m almost sure it’s D but i could be wrong
If the egg is fertilized by a man's sperm, the resulting embryo would travel down the fallopian tube and implant in the uterus. This happens around the 20th day of the menstrual cycle. ... Around day 26 of your cycle, the uterus will begin the process to shed its lining causing menstruation to begin
hope this helps
The force which helps protons overcome their natural inclination to repel each other is call the strong force. A