Questions

The condition in the while loop is a must.

Robert Watson Watt

An index is an optional structure associated with a table to have direct access to rows, which can be created to increase the performance of data retrieval. Index can be created on one or more columns of a table.

Oxford

The gas usually filled in the electric bulb is Nitrogen.

Blue Zone is the hottest part of the flame that is where the flame has the most Oxygen and you are getting complete combustion. It is about 1400 degrees Centigrades. The Reddish part (Non - Luminous Zone) is the coolest part, about 800 deg C.

No, the given statement is False.

Parasites are organisms that feed on other organisms causing harm to them.

Foods that allow micro organisms to grow are called Growth Mediums.

In the novel entitled 1984 by George Orwell's, "War is Peace; Freedom is Slavery; Ignorance is Strength;" is one of the three slogans of the entity known only as “The Party,” English Socialist Party ("INGSOC" for short) of Oceania.

It means "describes the act of simultaneously accepting two mutually contradictory beliefs as correct, often in distinct social contexts."