Explanation

QWERTY refers to the first six letters on the upper row of the keyboard.

 Keyboard is an input device.

Keyboard is similar to electric typewriter.

Keyboard uses serial port to connect with computer.

Keys on keyboard are of mainly three types:

Alphanumeric keys: letters and numbers 

Punctuation keys: comma, period, semicolon, etc.

Special keys: function keys, arrow keys, caps lock key, etc. 
Keyboard inventor: Christopher Latham 

Smallest key on keyboard: Space key

agm.5.3.23

Explanation

Hajr-e-Aswad is a rock set into the eastern corner of the Kaaba, the ancient building in the center of the Grand Mosque in Makkah.

Explanation

A scanner scans images, printed text, handwriting or an object and converts it to a digital image. 

Scanner is an input device. 

Scanner founder: Russell Kirsch

Russell Kirsch belongs to USA.

Explanation

Mongolia Capital is Ulaanbaatar.

Mongolia Currency is Togrog.

Mongolia official language is Mongolian.

Mongolia located is in Continent Asia.

Mongolia Primary Religion is Buddhism.

Mongolia Head of Govt. is Prime Minister – Luvsannamsrain Oyun-Erdene.

Mongolia Parliament called Great People’s Khural.

Explanation

The word geometry means measurement of the earth.

Euclid is known as Father of Geometry.

Euclid was a mathematician from Greece. 

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agm.5.3.23

Explanation

The plural form of fish is also fish.

Fish has no plural form.

Similarly, sheep has no plural form.

Explanation

This sentence belongs to Future Perfect Tense.

Formula: Subject + will + have + 3rd form of a verb + object.

Tomorrow at 3 PM you will have matches.

Explanation

Snowball effect means a situation in which the results or consequences of an action grow at an increasingly faster rate over time.

agm.5.3.23

Explanation

The Amazon rainforest is situated in Brazil. The majority of the forest is contained in Brazil

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The Amazon covers a huge area (6.7 million sq km) of South America.

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• Brazil, with 60% of the rainforest,
• Peru with 13%,
• Colombia with 10%
• Minor amounts in Venezuela, Ecuador, Bolivia, Guyana, Suriname, and French Guiana.

• **

  
  

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Explanation

Lake Baikal, the world's oldest lake, is located in Russia.

It has a length of 397 miles (640 km).

It has a maximum width of 49 miles.