Explanation

 The world's first public airline was DELAG (Deutsche Luftschiffahrts-Aktiengesellschaft),

It was founded on November 16, 1909, with government support

Its headquarters is in Frankfurt

DELAG, meaning "German Airship Navigation Company,"

Explanation

Almost 40% of the world's oil supply passes through the Strait of Hormuz. 

  The Strait of Hormuz is 55 to 95 Km wide Strait.

It is located between the Persian Gulf and Oman Gulf.

Explanation

 Brüggen Glacier, also known as Pío XI Glacier named by Spanish explorers after a Pope,

It is located  in southern Chile

It is the largest western outflow from the Southern Patagonian Ice Field.

Now about 66 km (41 mi) in length,

iI is the longest glacier in the southern hemisphere outside Antarctica

Explanation

 The Vaal River is the largest tributary of the Orange River in South Africa.

Length 1,458 km (906 mi)

Explanation

The Arabian Peninsula is dominated by vast deserts, including the Rub' al Khali (Empty Quarter) and the Nafud Desert.

It has an arid climate with limited vegetation, except for oases and coastal areas.