In personal computers the operating system resides in what?

The north and south regions had very diferent economies in the 1800s.

2pointswho was mikhail gorbachev? oa. a russian leader who opposed a coupob. a polish leader who founded the labor union "solidarityoc. a soviet leader who called for a closer relationship with the unitedstates, economic reform, and a more open societyd. a soviet leader who called for more oppression in the soviet union

The gene form of a trait is called a(n)