The "Drain Theory" was proposed by Dadabhai Naoroji, an Indian political leader and social reformer, in the 19th century. He argued that wealth was drained from India to Britain through colonial economic policies, leading to economic exploitation and underdevelopment in India.
The dust cloud theory was proposed by Fred Whipple in 1950. This theory suggests that comets are made up of icy bodies surrounded by a cloud of dust and gas.
The double sulfate theory of lead-acid batteries was proposed by Wilhelm Ostwald in the late 19th century. He proposed that during the discharge of lead-acid batteries, lead sulfate is converted into lead dioxide and sulfuric acid, while during charging, the reverse reaction occurs.
Alfred Wegener was the scientist who first proposed the theory of continental drift, which later developed into the theory of plate tectonics. He suggested that the continents were once joined together in a single supercontinent called Pangaea and have since drifted apart.
Alfred Wegener, a German scientist, proposed the theory of continental drift which led to the concept of a supercontinent called Pangaea.
While two people proposed continental drift (Alfred Wegener and Alexander du Toit), it was just ONE scientist Harry Hess that proposed the mechanism of sea floor spreading to explain how the continents actually moved.
It was originally proposed in the 1920s
The two men who proposed the collision theory are Max Trautx and William Lewis. The theory which was proposed in 1918 explains how chemical reactions occur.
it was proposed by charles darwin and albert einstein
Karl Marx proposed the theory of communism.
The chromosomal theory of inheritance was proposed and developed by one Walter Sutton and Theodor Boveri.
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The theory of evolution by means of natural selection.
The theory of cosmology that Copernicus proposed is called the heliocentric theory. This theory placed the Sun, rather than the Earth, at the center of the solar system, with the planets orbiting around it.
Albert Einstein proposed the theory of relativity in the early 20th century. His theory revolutionized our understanding of space, time, and gravity.
Joseph Wolpe's proposed theory based on classical conditioning explain's the classical conditioning theory is linked with phobias.