The correct answer is It uses a lot of scientific terms.
The book On the Origin of Species, a seminal scientific work by the British naturalist Charles Darwin, is published in England on November 24, 1859. Darwin's theory argued that living organisms evolve through a process he called "natural selection". In it, organisms with genetic variations that adapt to their environment tend to propagate more offspring than organisms of the same species that lack the variations, thus influencing the genetic structure in general of the species.
Darwin, who was influenced by the work of French naturalist Jean-Baptiste de Lamarck and English economist Thomas Malthus, found much of the evidence in favor of his theory during the long research expedition aboard the HMS Beagle in the 1830s, which lasted close five years. Visiting different places like the Galapagos Islands and New Zealand, Darwin acquired a very close knowledge of the flora, fauna and geology of many lands. His studies on variation and crossing after returning to England, are incompatible with the information collected and with the development of his theory of organic evolution.
The idea of organic evolution was not new. It had been suggested before, among others, by Darwin's grandfather, Erasmus Darwin, a distinguished English scientist and by Lamarck, who in the early 19th century drew the first evolutionary diagram - a chain that led from single-celled organisms to man. However, it was only with Darwin that science presented a practical explanation of the phenomenon of evolution.
This poem means that if you just continue to put an untiring effort with a sharp will even your heart and nerves are worn out and hold on with what you are doing or what your goal is.
You will achieve success and greatness. The fruits of your labors will serve you even when you are long gone in this world.
It had a democratic government
The ideas of democracy. The discovery of use of water power.
The ideas that Sun is center of solar system.
Marshall spoke of an urgent need to help the European recovery in his address at Harvard University in June 1947. The purpose of the Marshall Plan was to aid in the economic recovery of nations after World War II and to reduce the influence of communist parties within them.
