Explanation

A fission reaction is a chemical reaction in which an atomic nucleus splits into smaller parts, releasing energy.

It typically occurs in nuclear reactors and atomic bombs.

Explanation

The Byzantine Empire is considered the successor of the Roman Empire

It was the continuation of the Eastern Roman Empire after the fall of the Western Roman Empire.

The Byzantine Empire survived the collapse of the Western Roman Empire by almost a millennium, finally falling to the Ottoman Turks in 1453. 

Explanation

The phrase "turn up" means to arrive or appear, so "he never turned up to the party" means he never came

Explanation

The substance universally used to achieve the ultra-low temperatures required for the cryopreservation of biological samples is liquid nitrogen.

Nitrogen, in its liquid state, is the primary agent used to freeze and store cells, tissues, and organs. 

Liquid nitrogen provides an inert, ultra-low temperature environment of -196 °C (-321 °F),

Which effectively halts all biological activity and molecular motion, preserving the material for extended, even indefinite, periods. 

Explanation

Pass through the 6 nations of:

• India
• Pakistan
• Afghanistan
• China
• Bhutan
• Nepal

Additional information:

The Himalayas include over fifty mountains exceeding 7,200 m (23,600 ft)

Following glaciers located in the Himalayas range.

1.      the Gangotri and Yamunotri (Uttarakhand)

2.      Khumbu glaciers (Mount Everest region),

3.      Langtang glacier (Langtang region)

4.      Zemu (Sikkim).

The Himalayas are a mountain range in South Asia.

The west end of the mountain range is in Pakistan.

They cover approximately 1,500 mi (2,400 km)

Explanation

Alaska has the highest number of lakes in the U.S., with an estimated 3 million unnamed lakes in addition to over 3,000 named ones. 

Explanation

یہ محاورہ اس حالت کی طرف اشارہ کرتا ہے جب شور اور ہنگامے کے درمیان کوئی بات سنائی نہیں دیتی

Explanation

"لکیر کا فقیر ہونا" کا مطلب ہے کسی ایک طریقے یا عادت پر سختی سے جمے رہنا، نئی بات نہ ماننا، یا تبدیلی کو قبول نہ کرنا

Explanation

"انیس بیس" ایک محاورہ ہے جو اُس وقت استعمال ہوتا ہے جب دو چیزوں میں بہت معمولی یا قابلِ نظرانداز فرق ہو

Explanation

"صلواتیں سنانا" ایک محاورہ ہے جس کا مطلب ہوتا ہے کسی کو ڈانٹنا، برا بھلا کہنا یا سخت الفاظ کہنا