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Sociology is the study of groups and group interactions, societies and social interactions, from small and personal groups to very large groups. 

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The top 5 related words for "psychoanalysis" are: psychotherapy, neurosis, melanie klein, transference, and sigmund freud.

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Vision is the least developed sense at birth, as the womb is a dark place and there is little opportunity for development.

Hearing: Develops relatively well during pregnancy, allowing babies to hear sounds from around the 20th week. 

Touch: Also develops fairly well in utero, providing comfort and a sense of security. 

Smell and Taste: These senses are closely linked and are important for newborns to recognize their mother's breastmilk and establish bonding. 

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Explanation

Venus, second planet from the Sun and sixth in the solar system in size and mass.

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Osteomalacia is caused due to deficiency of  Vitamin D

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Karl  Benz was a German engine designer and automobile engineer.

His Benz Patent Motorcar from 1885 is considered the first practical automobile.

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Radium is a chemical element with the symbol Ra and atomic number 88.

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Biogenesis is the production of new living organisms.

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The Pascaline was designed and built by the French mathematician-philosopher Blaise Pascal between 1642 and 1644.