Questions

extern int i is a declaration and not a definition, hence Error occured.

There are 33 districts in Telangana state at present.

All of the factors that contribute to global winds are 

1) Uneven warming of the earth by the sun
2) Coriolis Effect
3) Convection Cells

Ctrl+Shift+F Opens the Font dialog box with the focus at the Font combo box.

The Dubai Mall, located in downtown Dubai, UAE, consists of four levels with a floor area of 548,127  (5.9 million ) and has 1,200 retail outlets and over 160 food and beverage outlets. Construction began in 2004, with the mall opening its doors on 4 November 2008. 

Cholesterol is referred as an amphipathic molecule, that it contains its hydrophilic and hydrophobic parts.

Squirrels build their nests in summer season as the sticks with what they bulit are dried and are less weight and the nests will be used for the rainy season.