Explanation

Mali and Haiti are classified as underdeveloped countries due to their low economic growth, poor infrastructure, and high poverty rates.

They struggle with political instability, weak healthcare systems, and limited industrialization.

Explanation

The Three Sisters rivers are located in Ireland

The lengths of the three rivers of the Three Sisters are

• The River Barrow - 192 km (119 mi),
• The River Suir- 185 km (115 mi)
• The River Nore  - 140 km (87 mi).

These three rivers flow into the sea at Waterford Harbour. 

Explanation

The 2016 Olympics will be held in Brazil

The theme of the 2016 Rio Olympics was "World Peace and Environment."

Events 306 in 28 sports (42 disciplines)

Opening 5 August 2016

Closing 21 August 2016

Opened by Vice President Michel Temer

Closed by IOC President Thomas Bach

Explanation

Netscape Navigator was the first commercially successful Web browser

Founder, Marc Andreessen and Jim Clark.

Founded April 4, 1994

Defunct March 1, 2008

Headquarters United States

Explanation

Blue Lake is located in Mount Gambier, South Australia.

It is famous for its vibrant blue color during the summer months.

Explanation

Temple of Artemis, a temple at Ephesus, now in western Turkey,

It was one of the Seven Wonders of the World

The great temple was built by Croesus, king of Lydia, about 550 bce 

The seven traditional wonders are:

1. The Great Pyramid of Giza: Giza Necropolis, Egypt
2. The Colossus of Rhodes, located in Rhodes
3. The Lighthouse of Alexandria, located in Alexandria, Egypt
4. The Mausoleum at Halicarnassus is located in Bodrum, Turkey
5. The Temple of Artemis is located Near Selçuk, Turkey
6. The Statue of Zeus at Olympia, located in Olympia, Greece
7. The Hanging Gardens of Babylon are located in Hillah or Nineveh, Iraq 

Explanation

 The United States has the largest Gross National Product (GNP) among all countries

 GNP measures the total value of goods and services produced by a country's residents and businesses

Explanation

Shisham and Babul trees are commonly found in Bela Forests, which grow on riverbanks and floodplains.

These forests are known for hardwood species suitable for timber and fuel.

Explanation

The UN subregion of North Africa consists of 7 countries at the northernmost part of the continent 

1. Algeria
2. Egypt
3. Libya
4. Morocco
5. Sudan
6. Tunisia
7. Western Sahara

North Africa is an economically prosperous area, generating one-third of Africa's total GDP.

Explanation