Questions

No improvement is required. Loan is a temporary provision of money, usage is correct. Debt is an obligation. Demand is a claim to something owed. Advance is a supply in expectation of repayment.

China is the largest producer of Rice in the world.

Canyon

Oceania is a geographic region comprising Melanesia, Micronesia, Polynesia and Australasia. In Oceani, most towns began as Colonial Ports.

Enid Mary Blyton was the English children's writer published 59 new books in 1955.

Glass Box (or white box) testing is the process of giving i/p to the system and checking how the system processes i/p to generate o/p

Black Box testing is the process of giving i/p to the system and checking if the system is giving correct o/p without bothering how the o/p is generated.

As we can see from the definitions, the role of black box testing is to ensure that the o/p generated is correct. And role of white box testing is to ensure that methods used to generate the o/p are correct.

A chemical bond in which the electrons are not shared equally due to differences in the electronegativity of the atoms.

The polarity of a covalent bond is measured using its dipole moment.

 Large dipole moment = more polar

 Small dipole moment = more nonpolar.