The initial stages of human embryogenesis.
8-cell embryo, at 3 days.
Blastocyst with an inner cell mass and trophoblast.
Trophoblast differentiation.
Histogenesis of the three germ layers.
Artificially colored - gestational sac, yolk sac and embryo (measuring 3 mm at 5 weeks)
Embryo attached to placenta in amniotic cavity.
<span>Minerals are solids.
That is because when water freezes into ice it becomes a mineral, since it's a solid at that time.
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uhhhhhhhhhhhhhhhhh thanks
The answer is d because the water naturally lowers blood pressure