Absolute Brightness
Absolute brightness represents
the total amount of energy emitted from a celestial object. It is the measure
of the true brightness of a star or other celestial object as it would be as
seen from a standard distance<span> of
exactly 10 parsecs (32.6 light-yea</span>rs). The more luminous an object, the smaller the
numerical value of its absolute magnitude or brightness.
Answer:
The answer is BBBBBBBBBBB
The cell membrane is said to be selectively permeable is because it allows a select few things to go through while stopping the passage of other stuff.
I guess it is aluminium in cationic form
