Yes, "All teenagers are mean and smelly they really need to clean up their acts." is a run on sentence.
1. About the space exploration 2.what the world be 3. Would you be able to live on a million Dollars a year
B. Voter turnout was very high, is the political parties were stronger, more people would vote and be confident to vote.
Sick, Morning. Hope this helped.
The correct answer is b): Under that shelf, in the corner, you will find your missing sock. The comma is needed to emphasise where exactly the missing sock is.