Bauxite is the most important ore of aluminum which contains only 30–54% alumina.

The rest is a mixture of silica, various iron oxides, and titanium dioxide along with trace amounts of zinc, phosphorous, nickel, vanadium etc.

Symbol: Hg

Atomic number: 80

Melting point: -38.83 °C

Atomic mass: 200.59 u

To break the ice means do or say something to relieve tension or get conversation going in a strained situation or when strangers meet.

The cell is the basic structural, functional, and biological unit of all known organisms.

Cover means to lie on the surface of something.

For example:

How much of the earth's surface is covered by water?

The book Friends not masters was written by Ayoub Khan, first published in 1967.

It is at once an autobiography of former President Mohammad Ayub Khan of Pakistan.

Folly means the fact of being stupid, or a stupid action, idea, etc.

For example:

He said that the idea was folly.

First refers to the act of letting off the second.

Pakistan is one of the countries in the world that does not recognize Armenia as a state.

Also, Pakistan does not recognize Israel.

 The primary cause of the two countries' diplomatic rift is the Nagorno-Karabakh conflict.

The Nagorno-Karabakh conflict is an ethnic and territorial conflict between Armenia and Azerbaijan

The Strait of Hormuz separates Iran to the north and the Musandam Governorate of Oman and the United Arab Emirates to the south.

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Strait

A narrow passage of water connecting two seas or two other large areas of water.