To the eye – taken by itself – Alpha Centauri A appears as the fourth-brightest star seen from Earth, just slightly outshone by Arcturus. However, the combined light of Alpha Centauri A and B is slightly greater than Arcturus, so in that sense it appears as the third-brightest star visible in Earth's sky.
Cumulus, stratus, and cirrus, there's many more but these are the main ones ^^
Answer: both options A and D
Explanation:
Half filled and completely filled orbitals are more stable than any other configuration since they are more symmetrical and energy exchange Occurs readily.
So 4f^7& 4f^14 are more stable
The most common compound on earth is cellulose because it has enough energy to be the next source for biofuels.
Lowest is Hydrogen highest is <span>Beryllium
-HOPE THIS HELPED </span>
