Questions

Mortar is a mixture of cement or lime as a binder, sand and water.

According to Forbes, the Russian capital Moscow currently boasts an unprecedented 84 billionaries. Between them, the Moscow billionaries share a total of $366 billion. 

Ozone layer depletion is one of the most serious problems faced by our planet earth. Substances that Deplete the Ozone Layer (ODS) emission are responsible for ultraviolet radiations from the sun break them to release chlorine (from CFCs) and bromine (from methyl bromide and halons).

The Theme of National Press Day 2017 is "Challenges before media".

The founder and also first Chairman of the ISRO is Vikram Sarabhai.

A Focus of an earthquake is the location where the earthquake begins. The ground ruptures at this spot, then seismic waves radiate outward in all directions.

At this focus point, the release of energy due to faulting actually occurs during an earthquake. The point directly above the focus on the surface is called Epicenter.

The focus is also called as Hypocenter as it is the synonym of the focus.

IC's (Integrated Circuits) also called as Chips or Microchips whose invention allowed computers to be smaller and smaller.