Questions

The acid used in lead storage cells is Sulphuric acid. They are used car batteries. Lead-acid batteries are capable of being recharged, which is important for their use in cars.

Tiberius Caesar was a Roman emperor from 14 AD to 37 AD. And Jesus was crucified in between 30 - 33AD.

The Bombay Secretariat was completed in 1874 and designed by Captain Henry St. Clair Wilkins in the Venetian Gothic style. With its arcaded verandahs and huge gable over the west facade, it was a monument to the civic pride of Bombay's British rulers.

Black  surfaces are good emitters of heat ( They are also good absorbers of heat). If the black surface is rough too, the emitting will be better. So (b) is the correct answer. Shining surfaces reflect back radiation. So if the black surface is also shining the effectiveness of emitting heat is lessened.

Database provides necessary means to achieve this abstraction. By structure of a database we mean the data types, relations, and constraints that should hold on the data.