Deforestation is when the forests are stripped of their plant life
the result is, that the soil, which had been held together by the plants, beings to be swept away by rain, or simply dries out, forming a desert over time (might be sprawl, idk the definition of it)
Above the Main Sequence and above the Red Giants<span>/Giants, are scattered a few stars of highest luminosities and any (from high to low) surface temperatures</span>
Subtract 14n from 10n which is -4n. 12-4n=-12. subtract 12 from -12 and you get -24. divide -24 by -4 and you will get n=6.