Answer:
Implantation is what leads an egg to pregnancy. If implantation doesn’t occur then, the fertilized egg comes out with period blood. After fertilization, the egg undergoes series of divisions called cleavage. The cells remain enveloped in the protective egg membrane. This membrane layer hardens after entry of sperm.
<em>hope this helps :)</em>
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Number one is D and number two is B
<span>What muscle circles the eyes socket and closes the eyelid?
<span>The orbicular muscle</span></span>
Inspect your home
Be very careful with space heaters.
Check your appliances.
Check the air conditioning and heating unit in your home.
Check the natural gas/LP gas system in your home.
you did not say any option
