The change in foot shape making the feet wider and longer than the hands and the curvature of the spine also adapted to it
An embryonic stem cell is the first cell in the embryo, this is what creates a human and helps more cells to form.
Carbon dioxide is emitted as a by-product of clinker production an intermediate product in cement manufacture, in which calcium carbonate (CaCO3) is calcinated and converted to lime (CaO), the primary component of cement. CO2 is also emitted during cement production by fossil fuel combustion.
Lactose because it is a sugar made up of galactose and glucose.
I am pretty sure the answer you're looking for would be Analog
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