A) Transport 1 describes passive transport by diffusion.
is the correct answer !! :)
Answer:
The correct answer is D. Umbilical cord
Explanation:
The umbilical cord connects the fetus to the placenta and through it exchanges nutritional substances as well as oxygen-rich blood. The umbilical cord is maintained throughout gestation until the moment of birth, when it is cut and leaves a permanent scar, the navel. The umbilical cord is responsible for breathing and feeding the fetus until the moment it is born, so any failure or blockage in the circulation of oxygen and nutrients through the cord can lead to injury or even death of the embryo. It also serves to remove waste and carbon dioxide (CO2).
Explanation:
a glaciers way combined with its gradual movement can drastically are we shaped the landscape over hundreds or even thousands of years the icy roads the land surface and carries a broken rocks and soil temperatures far from their original places
Explanation:
The SI standard unit of electrical charge is the
coulomb
, represented by the (C) symbol.
One coulomb is the amount of electric charge transported in one second by a steady current of one ampere. One coulomb is also the amount of charge stored by a capacitance of one farad charged to a potential difference of one volt.
Answer:
d is the correct answer
Explanation:
an ionic bond forms when positively charged metal ion attract to negatively charged ones
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