Explanation

• The Arctic is the shortest ocean in the world.

Additional information:

• The Pacific is the largest ocean in the world.
• 71% of Earth's surface is covered by ocean.
• The warmest ocean in the world is the Indian ocean.
• The hottest ocean area is the Persian Gulf.
• Diamantina Trench is the deepest place in the Indian ocean.
• Country Jordon has no ocean.

The five major oceans listed by size from largest to smallest are the:

1. The Pacific Ocean
2. The Atlantic Ocean
3. The Indian Ocean
4. The Southern Ocean
5. The Arctic Ocean

Last verified on 07-06-2026

Explanation

• Caspian Sea, Red Sea and Aral Sea are actually lakes.
• The Caspian Sea and Aral Sea are actually endorheic (inland) salt lakes.
• They are called “seas” due to their large size and historical naming.

Additional information:

• The Caspian Sea lies between Europe and Asia.
• The Aral Sea has drastically shrunk due to river diversion for irrigation.
• The Red Sea connects to the Indian Ocean via the Gulf of Aden.

Last verified on 06-07-2026

Explanation

Current SCO Member States (10):

1. China
2. Russia
3. Kazakhstan
4. Kyrgyzstan
5. Tajikistan
6. Uzbekistan
7. India (Joined: 9 June 2017)
8. Pakistan (Joined: 9 June 2017)
9. Iran (Joined: 4 July 2023)
10. Belarus (Joined: 4 July 2024)

Additional information:

• Full Form: Shanghai Cooperation Organisation (SCO)
• Founded: 15 June 2001
• Headquarters: Beijing, China
• Founder Members (2001): China, Russia, Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan
• Purpose: Regional security, economic cooperation, counter-terrorism, and cultural cooperation

Last verified on 20-07-2026

Explanation

• Country: China
• First use: 806 AD (approx.)
• Early name: Feiqian (Flying Money)
• Dynasty: Tang Dynasty → Song Dynasty (official issue)
• Importance: First-ever paper-based monetary system

Last verified on 11-06-2026

Explanation

• Country: Australia
• Name: Great Barrier Reef
• Location: Coral Sea, off Queensland
• Length: Over 2,300 km (1,400 miles)
• Area: Approximately 344,400 km² (133,000 sq mi)
• The reef consists of around 2,900 individual reefs and 900 islands.
• It is a UNESCO World Heritage Site, inscribed in 1981.

Last verified on 20-07-2026