Explanation

The CPU (Central Processing Unit) executes instructions and performs calculations.

This making it the primary component responsible for processing data in a computer.

Explanation

A nebula is a giant cloud of dust and gas in space.

Some nebulae come from the gas and dust thrown out by the explosion of a dying star, such as a supernova.

Explanation

A mature tree can absorb approximately 22 kilograms (or 48 pounds) of carbon dioxide from the atmosphere annually.

This is a remarkable process called carbon sequestration, where trees help remove CO2 from the atmosphere, storing carbon in their trunks, branches, roots, and soil.

Explanation

• The speed of sound in air at 0°C (32°F) is 332 meters per second.

The speed of sound in different materials:

• Air: 332 m/s
• Sea water: 1530 m/s
• Lead: 2160 m/s
• Gold: 3240 m/s
• Brick: 3650 m/s
• Copper: 4760 m/s
• Glass: 5100 m/s
• Aluminium: 6420 m/s

Explanation

• The Orange Revolution in Ukraine took place from November 22, 2004, to January 23, 2005.
• It was sparked by election fraud involving President Leonid Kuchma and Prime Minister Viktor Yanukovych.
• It leading to a re-run of the election and the victory of Viktor Yushchenko.

Explanation

برصغیر پاک و ہند میں درس نظامی کا آغاز مغلب ادشاہ ہمایوں کے دور میں ہوا تھا۔

Dars-e-Nizamia was formalized during the reign of Emperor Humayun in the Mughal Empire.

Dars-i Nizami is a study curriculum or system used in many Islamic institutions (madrassas) and Darul Ulooms,

They can now also be found in parts of "

• South Africa
• Canadagr
• the United States
• the Caribbean 
• the UK.

Dars-i Nizami system was developed by Nizamuddin Sihalivi

From the Firangi Mahal Ulama group

Explanation

Kalāt or Qalāt historically known as Qīqān

Qalat  is a district in Balochistan

Kalat districts of Balochistan Province are predominantly Brahui-speaking

Kalat join Pakistan on 27 March 1948

Kalat is known locally as Kalat-e-Brahui and Kalat-e-Sewa

 Kalat is the capital of the Kalat District 

Kalat is known for Juniper old trees, the Moro Rive

ND21-2-2023

Explanation

He was the 1st Prime Minister of Singapore

In office 5 June 1959 – 27 November 1990

Preceded by Office established Lim Yew Hock (as Chief Minister)

Succeeded by: Goh Chok Tong

Political party: People's Action Party

He Died 23 March 2015 (aged 91) in Singapore

Explanation

The United States launched its first strikes in Afghanistan on 7 October 2001.

This was part of Operation Enduring Freedom, targeting the Taliban regime.

The operation was in response to the September 11 attacks.

Explanation

The Black Lives Matter (BLM) movement originated in the United States in 2013, after the acquittal of Trayvon Martin's murderer.

The movement gained widespread attention and support in 2020 following the police killings of George Floyd, Breonna Taylor, and other African Americans.

BLM protests and activism have since spread globally, but its roots and core initiatives began in the US.