Q: Answer this question:

on the top of how many hill is shimla built??

A: seven


Q: Answer this question:

who wrote the song ain't it funny how time slips away??

A: Willie Nelson


Q: Answer this question:

how much territory did the ottoman empire cover??

A: 2,000,000 sq mi


Q: Answer this question:

what type of cell contributes to the blood-brain barrier in the central nervous system??

A:
endothelial cells