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Biography On The Greatest Scientists " Sir Albert Einstein " - Gyan Ki Baatein Aur Sangrah

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  Biography On The Greatest Scientists  " " Sir Albert Einstein " “Science can only be created by those who are thoroughly imbued with the aspiration toward truth and understanding. ” Albert was born into a family that already had its fair share of smart people. His father, Hermann, had been an excellent student with a God gift for mathematics. Only  money problems kept him from going on to higher education, or college. In adulthood, Hermann and a cousin became owners of a company that made beds. After that, Hermann and his brother, Jakob. Albert’s mother, Pauline, came from a very Great family. Her father made a fortune selling grain. Pauline went to good schools and she was a model student. She was well-educated, which was fairly unusual for a woman at that time. She also had a great sense of humor, the arts, particularly music. Albert, Hermann and Pauline’s first child, was born on March 14, 1879, in the southern German town of Ulm. Right f...
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Class-8 Science 10 To 18 Chapters Solutions (Part B)

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Class-8  Subject-Science  CH- 10 To 18 CH- 10 Reaching the Age of Adolescence Exercise : Solutions of Questions on Page Number : 124 Q1 : What is the term used for secretions of endocrine glands responsible for changes taking place in the body? Answer : Hormones are chemical substances which are secreted by endocrine glands. They are responsible for changes taking place in the body. Q2 : Define adolescence. Answer : Adolescence is the time period between the beginning of puberty and adulthood. During this period, the body undergoes several changes alongside reproductive maturity. It begins around the age of 11 and lasts till 18 or 19 years of age. The period of adolescence may vary from person to person. Q3 : What is menstruation? Explain. Answer : Menstruation is the process of the shedding of the uterine lining on a regular monthly basis. It begins at puberty and is the reproductive cycle of the female body. Every month, the uterus prepares itself to receive a fertilized e...
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