Explanation

Dynamite was invented by Alfred Nobel in the 1860s.

Additional Information REKATED ALFRED NOBEL

He was a chemist from Sweden.

Full name: Alfred Bernhard Nobel

Born: October 21, 1833, Stockholm, Sweden

The founder of the Nobel Prize

Invented Nitro-glycerine in 1875.

Died: on December 10, 1896, in Sanremo, Italy

Explanation

Oxygen constitutes about 21%, or more precisely 20.95%, of the Earth's atmosphere by volume

Present about one-fifth of the air.

Supports respiration.

Needed for combustion.

Maintains balance in the atmosphere.

Explanation

The 38th parallel is a name given to the latitude 38° N, which demarcates North Korea and South Korea.

ADDITIONAL INFORMATION RELATED TO 38th parallel 

The line was demarcated by U.S. military planners at the Potsdam

It was established at the end of World War II.

It is the symbol of the Cold War.

It is a circle of latitude 38 degrees north of the equator.

Explanation

An extremely small piece of silicon on which integrated circuits are implemented is called a microchip.

It is also commonly known as an integrated circuit (IC), or simply a chip

It is made of silicon.

Used in computers and electronics.

Controls processing functions.

Explanation

A device that encodes characters by pressing keys is known as a keyboard

ADDITIONAL INFORMATION RELATED TO KEYBOARD

It is an input device.

It is used to enter text and commands.

Each key represents a character or function.

Christopher Latham Sholes was an American inventor who invented the QWERTY keyboard.

Explanation

A mixture of two or more metals (or a metal with non-metals) is called an alloy

An alloy is made by mixing metals.

It improves strength and durability.

Steel (iron and carbon), is an example of an alloy.

Explanation

Pythagoras, the famous geometer and philosopher, was from ancient  Greece

He was born on the island of Samos, a Greek island in the eastern Aegean Sea

He lived around 570 BC.

Explanation

Asian Drama was written by Gunnar Myrdal.

Asian Drama: An Inquiry into the Poverty of Nations

It was published in 1968.

It focuses on economic development.

Explanation

Explanation

Heat from the Sun reaches Earth through radiation

It is the transfer of energy via electromagnetic waves (like infrared, visible light, UV) 

Sunlight takes an average of 8 minutes and 20 seconds to travel from the Sun to the Earth.