The mole of anything has the same amount of particles and it is equal

.
So a mole of magnesium and a mole of iron have the same number of atoms and it is equal
6.02*10²³
I think it’s the circulatory system. it delivers oxygen and nutrients to the cells and pumps blood to the heart. hope this helps:)
I think that it is Covalent..
Answer:
I think it is a covalent bon
The difference between ergosterol and cholesterol is much more obvious in their interactions with POPC and DOPC. Whereas cholesterol induces a strong condensing effect that thickens both POPC and DOPC bilayers, ergosterol shows no condensing effect in POPC and DOPC at all.