latests
Which modern country was known as Abyssinia until the 20th century?
A) Sudan
B) Ethiopia
C) Eritrea
D) Somalia
Abyssinia is the historical name for Ethiopia, a nation with a rich history of independence and ancient Christian heritage.
latests
A)
Newton
B)
Einstein
C)
Galileo
D)
Kepler
Isaac Newton described three laws of motion in *Principia Mathematica* (1687), forming the basis of classical mechanics.
latests
A)
Roman
B)
Byzantine
C)
Ottoman
D)
Persian
The Hagia Sophia in Constantinople was built under Byzantine Emperor Justinian in 537 CE as a grand cathedral.
latests
A)
12th
B)
13th
C)
14th
D)
15th
The Black Death (1347–51) killed about one-third of Europe’s population, spread by fleas on rats. This is a well-documented historical or scientific.
latests
A)
Galaxy Formation
B)
Universe Expansion Origin
C)
Solar Birth
D)
Black Hole Creation
The Big Bang theory describes the origin of the universe 13.8 billion years ago as a rapid expansion from a singularity.
latests
A)
Colombia
B)
Ecuador
C)
Peru
D)
Chile
The Galápagos Islands belong to Ecuador and are famed for their unique biodiversity that influenced Darwin's ideas.
latests
A)
Marie Curie
B)
Henri Becquerel
C)
Pierre Curie
D)
Ernest Rutherford
Marie Curie, with Pierre, discovered radium and polonium in 1898, pioneering radioactivity research and earning two Nobel Prizes.
latests
A)
William of Normandy
B)
Harold Godwinson
C)
Richard I
D)
Edward the Confessor
William of Normandy defeated Harold at Hastings in 1066, beginning Norman rule in England. This is a well-documented historical or scientific fact.
latests
A)
CO2
B)
Nitrogen Oxides
C)
CFCs
D)
Methane
Chlorofluorocarbons (CFCs) destroy stratospheric ozone, allowing harmful UV radiation to reach Earth, first observed in Antarctica.
latests
A)
Australia
B)
Indonesia
C)
Philippines
D)
Fiji
The Great Barrier Reef, the world’s largest coral system, lies off the coast of Queensland, Australia.
latests
A)
1895
B)
1903
C)
1914
D)
1920
Orville and Wilbur Wright achieved the first powered flight on December 17, 1903, at Kitty Hawk, North Carolina.
Loading more...