World Facts and Geography

The world's first radio station was established in Pittsburgh, Pennsylvania. This marks the birth of commercial radio broadcasting. The other options (Germany, China, Brazil) were not the location of this pioneering station.

Mount Kilimanjaro is a dormant stratovolcano located in northeastern Tanzania, and it is the highest mountain in Africa. The other listed countries are in different parts of the African continent.

Options 1 and 2 are the names of the continents, whereas India is the name of a country.

The Netherlands, particularly Amsterdam, is world-renowned for its diamond cutting industry. This tradition dates back to the 16th century when Jewish diamond cutters fled persecution and settled in the Netherlands. Amsterdam remains one of the world's major diamond trading and cutting centers, known for its precision and expertise in diamond processing.

Approximately 71% of Earth's surface is covered by water, while land constitutes about 29%. This ratio is a fundamental characteristic of our planet, with oceans, seas, and other water bodies dominating the surface area. The Pacific Ocean alone covers nearly one-third of Earth's surface. This distribution of land and water significantly influences global climate patterns, weather systems, and biodiversity. The 71:29 ratio is well-established in geography and Earth sciences.

Correct option is (3).

Correct option is (1).

 The native (undomesticated) origin of coffee is thought to have been Ethiopia.

Correct answer is (1). 

This is the correct answer. Argentina is the second largest country in South America and is smaller than India.

Canada, specifically Alberta, holds the world's largest known deposits of tar sands (oil sands). The Athabasca oil sands in Alberta are the most significant tar sand resource globally. While tar sands exist elsewhere, Canada's deposits are by far the largest and most economically significant.

Norway generates approximately 95-98% of its electricity from hydroelectric sources, the highest ratio in the world. This is due to its mountainous terrain with abundant water resources, including fjords and rivers, making it ideal for hydroelectric power generation.

The Bushmen (also known as San people) are indigenous to Southern Africa and traditionally inhabit the Kalahari Desert region spanning Botswana, Namibia, and South Africa. The Thar Desert is in India/Pakistan, Atacama is in South America, and Great Victoria is in Australia - none of these are Bushmen territories.