Questions

The default return value from a function is int. In other words, unless explicitly specified the default return value by compiler would be integer value from function.

A Group of birds or a flock flying together in hundreds or even in thousands is called Murmuration.

Moles of solute present in 1 litre or 1000ml of solution is called molarity

Compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony and released in 1982. 

These are actually made to replace floppy disks that were used to store files and programs from the computer.

The format was originally developed to store and play only sound recordings but was later adapted for storage of data (CD-ROM).ese CD's uses Laser technology.