Explanation

She realized that she had not turned the lights off. 

She realized = Past Indefinite Tense

Not turned the lights off = Past Perfect Tense

Explanation

Ball bearing reduces friction by using smooth balls lubricated with oil or grease

that freely roll between a smooth inner and outer surface.

SH5-8-2023

Explanation

Madan Lal Dhingra was a Punjabi revolutionary, pro-independence activist.

While studying in England

Madan Lal Dhingra assassinated William Hutt Curzon Wyllie, a British official in 1909 in the United Kingdom (UK).

Explanation

Kepler's law explains the motions of planets in the solar system.

Kepler's Laws of Planetary Motion

They describe how:

(1) planets move in elliptical orbits with the Sun as a focus

(2) a planet covers the same area of space in the same amount of time no matter where it is in its orbit

(3) a planet's orbital period is proportional to the size of its orbit (its semi-major axis).

Explanation

The British exiled Napoleon Bonaparte to the remote island of Saint Helena in the Atlantic, where he died in 1821 at the age of 51

Napoleon Bonaparte, later known by his regnal name Napoleon I, 

Born: August 15, 1769, Ajaccio, France

Explanation

This sentence belongs to the third type of conditional sentence.

In type 3 conditional sentences, the time is the past and the situation is hypothetical.

Formula: if + past perfect, …would + have + past participle.

Explanation

The fight started when one of the drivers made a rude gesture at someone.

لڑائی اس وقت شروع ہوئی جب ایک ڈرائیور نے کسی کی طرف بدتمیزی کی۔

***

Rude Gesture means بیہودہ اشارہ

Explanation

Jamal Ahmad Khashoggi was a Saudi journalist, dissident, author,

Jamal Khashoggi was killed inside the kingdom's consulate in the Turkish city of Istanbul on 2 October 2018.

Born: October 13, 1958, Al-Madinah al-Munawwarah, Saudi Arabia

Explanation

It is correct to say 'What does she look like?' .

This is asking for general information about someone's appearance.

It is also correct, but less common, to say 'How does she look?'

Explanation

The funeral prayer of nuclear scientist Dr. Abdul Qadeer Khan was offered at Faisal Mosque 

Abdul Qadeer Khan, NI, HI, FPAS, known as A. Q. Khan, was a Pakistani nuclear physicist and metallurgical engineer

known as the "father of Pakistan's atomic weapons program"

Dr Abdul Qadeer Khan died on 10 October 2021, at the age of 85 after being transferred to a hospital in Islamabad with lung problems.

Born: April 1, 1936, Bhopal, India

Place of burial: H-8 Graveyard, Islamabad