Epithelia are classified by the number of cell layers and the general shape of the cells
Using the Punnet square, you find it is a 100% chance
Apparent magnitude : How bright a star appears to be
Absolute magnitude : How bright the star actually is
I think the answer is : A. close to earth
The stars only seems to be bright because its radiated from a close distance
hope this helps
The substance is pure depending on which atoms bond.