If you do not specify what kind of variable you are creating, the default is what kind of variable? O string
Odecimal
O integer
O alphanumeric

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

Which best explains why a digital leader would join a society specializing in technology

Write an essay on online collaboration, how to do it, the challenges, resolving the challenges, and consider whether the risks are greater than rewards. ( need )