Questions

As compared to diskettes, the hard disks are more expensive.

A diskette is a RAM, removable data storage medium that can be used with personal computers. It is also known as Floppy or Floppy disk. It is composed of a disk of thin and flexible magnetic storage medium, sealed in a rectangular plastic enclosure lined with fabric that removes dust particles.

Sum of numbers in all individual boxes must be equal.

Here sum must be equal to 30.

=> x + 14 + 9 + 2 = 30 => x = 5. 

The belief that leadership qualities can be developed within the individual Marine, and that leaders have the responsibility for developing those qualities is the Marine Corps philosophy of leadership.

The United States Marine Corps, also referred to as the United States Marines, is a branch of the United States Armed Forces responsible for conducting amphibious operations with the United States Navy.

In common we all call the systematic name of NH4ClO3 as Ammonium Chlorate. But originally the systematic name is azanium trioxidochlorate.