Because they have so many children at once.
I think it’s insulin becaus Without insulin, glucose may be present in the blood but the cells are unable to utilize it. People with diabetes lack an adequate supply of insulin
<span>the principle of independent assortment.</span>
All planets have these same layers (From deepest to shallowest, inner core then the outer core, then the mantle, and lastly the crust. A good example is the Earth) that is shown in the diagram, even the sun has all the layers I just listed.
But, some planets I can think of are Mars, Venus, Moon, and the Earth of course.
Layer C. sounds like it could also represent Layer D, since they are so close.
P. S. I did my best to try to answer this.