Social Darwinism is the term given to various theories of society which rise in the North America, Western Europe and United Kingdom during 1870s. The theories are applied to natural selection and survival of the fittest.
Answer:
There are 1,500 volcanoes in the world.
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The correct answer is the preconscious layer of <span>consciousness.
The </span>preconscious refers to thoughts and knowledge that is part of our unconscious mind, but is not repressed. Due to this, preconsious thoughts and knowledge can be retrieved and recalled as and when needed. Information in the preconscious mind does not need to be in the conscious mind for it to be retrieved and available.