Mixed GK

Gravitation is a force of attraction between all objects with mass. Every object in the universe attracts every other object - that's why things fall toward Earth and planets orbit the Sun. The force increases with mass and decreases with distance.

An elver is the specific term for a young eel that has developed from the larval stage (leptocephalus) but is not yet fully mature. They migrate from the ocean back into freshwater rivers where they grow into adult eels.

George Westinghouse invented the railway air brake system in 1869, which used compressed air to stop trains simultaneously from the locomotive. This revolutionized rail safety by allowing trains to stop much faster than before. He also founded Westinghouse Electric Company.

The Durand Line is the 2,640 km international border between Pakistan and Afghanistan, established in 1893 through an agreement between British diplomat Mortimer Durand and Afghan Emir Abdur Rahman Khan. It remains a disputed boundary.

Myanmar (formerly Burma) has historically produced approximately one-third of the world's teak supply due to its extensive natural teak forests and favorable climate. Teak is valued for its durability and resistance to water and rot, making it ideal for shipbuilding and furniture.

Damascus, the capital of Syria, is widely recognized as the oldest continuously inhabited city in the world, with evidence of settlement dating back to around 8,000-10,000 BC. Its strategic location made it an important trade center for millennia.

The rose is the national flower of Britain (specifically England), and has been a symbol of the country since the Wars of the Roses in the 15th century. The Tudor Rose, combining red and white roses, represented the union of rival houses.

China and South Africa are the world's largest producers of manganese, together accounting for a significant majority of global production. Manganese is essential for steel production, batteries, and aluminum alloys. China leads in total output, while South Africa has the largest reserves.

Cuba has been called the 'Sugar Bowl of the World' due to its historical dominance in sugar production, which became its primary export after the sugar cane industry boomed in the 18th and 19th centuries. At its peak, Cuba produced nearly one-third of the world's sugar.

Greenland is the world's largest island, covering approximately 2,166,086 square kilometers. It is an autonomous territory within the Kingdom of Denmark. Australia is often mistakenly called the largest island, but it is classified as a continent.

Louis Hennepin, a Belgian Catholic missionary and explorer, is credited with being the first European to discover and describe Niagara Falls in 1678 while exploring the Great Lakes region with Rene-Robert Cavelier de La Salle. He later published accounts of his travels.

New Amsterdam was the original Dutch name for New York City when it was a Dutch colony in the 17th century. The English captured it in 1664 and renamed it New York. Vienna, Rotterdam, and Dublin were never called New Amsterdam.

Jean Henri Dunant (also spelled Durant) founded the Red Cross in 1863 after witnessing the horrors of the Battle of Solferino. He received the first Nobel Peace Prize in 1901 for this humanitarian work. Michael's Army, Salvation Army, and Phoenix are different organizations.

Bucephalus was Alexander the Great's beloved horse, named for the ox-head mark on its head. Alexander tamed this wild horse as a youth and rode it in all his major battles. Pegasus is a mythological winged horse, Unicorn is a mythical creature, and Hercules was a demigod hero.

Pablo Picasso created the famous anti-war painting 'Guernica' in 1937, depicting the bombing of Guernica during the Spanish Civil War. Note the question has a typo spelling it 'Guermica'. Michelangelo, Rembrandt, and Leonardo da Vinci were Renaissance artists from earlier centuries.

The Strait of Hormuz is the narrow passage between the Persian Gulf and the Gulf of Oman, connecting the Persian Gulf (often referred to as Gulf of Iran) to open seas. It's a crucial strategic waterway for oil transport. The Suez Canal, Jordan, and Panama Canal are not connected to Hormuz.

Giuseppe Garibaldi is considered the 'Father of the Fatherland' and founder of modern Italy for leading the unification movement in the 19th century. He unified various Italian states into the Kingdom of Italy. George Meir, Mussolini, and Torricelli are not associated with Italian unification.

Muhammad Naguib (spelled 'Nequib' here) was Egypt's first President after the 1952 Revolution that overthrew the monarchy. He served from 1953-1954. Anwar Sadat and Gamal Abdel Nasser were later presidents, and 'Mubarak Honsi' appears to be a misspelled combination of Hosni Mubarak's name.

Lee Harvey Oswald assassinated President John F. Kennedy in Dallas on November 22, 1963. Oswald was arrested for the murder but was himself killed two days later by Jack Ruby. Martin Luther, Abraham Lincoln, and Robert Kennedy were assassinated by different people.

Korea has been called the 'Land of Morning Calm' (Joseon in Korean) for centuries, referring to its peaceful mountains and sunrise traditions. Japan, Myanmar, and Philippines have different nicknames and cultural associations.

Otto von Bismarck unified German states into the German Empire in 1871, earning the title 'founder of modern Germany'. He served as the first Chancellor. He was not associated with France, Holland, or Denmark's founding.

Abdus Salam was the first Pakistani to win a Nobel Prize, receiving the 1979 Nobel Prize in Physics for his work in electroweak unification. The other options appear to be fictional or misspelled names. Note: Salam's first name is 'Abdus', not 'Abdul'.

New York City is famously known as the 'Big Apple,' a nickname that became popular in the 1920s. Jazz musicians referred to the city as 'the big apple' - meaning the biggest and best prize for performers. The nickname was officially promoted by tourism campaigns in the 1970s.