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1. The Palaeolithic (or Paleolithic) was a period of prehistory when humans made stone tools. It was the first and longest part of the Stone Age. It began around 3.3 million years ago and ended around 11,650 years ago. About 99% of human history happened in the Palaeolithic.
2. Domestication is the process of adapting wild plants and animals for human use. Domestic species are raised for food, work, clothing, medicine, and many other uses. Domesticated plants and animals must be raised and cared for by humans. Domesticated species are not wild.
3. Mehrgarh include remains of square or rectangular houses. Each house had four or more compartments, some of which may have been used for storage. When people die, their relatives and friends generally pay respect to them. People look after them, perhaps in the belief that there is some form of life after death.
4. Bhimrao Ramji Ambedkar was born on 14 April 1891 in Mhow town of Madhya Pradesh India. He was the son of Ramji Maloji Sakpal and Bhimabai. His father served in the Indian Army at the Mhow cantonment. He became one of the first Dalit untouchables to obtain a college education in India eventually earning a law degree and doctorates for his study and research in law economics and political science.Bhimrao Ramji Ambedkar is popularly known as Babasaheb. He was an Indian jurist political leader philosopher anthropologist historian orator economist teacher editor prolific writer revolutionary and a revivalist for Buddhism in India. He became the 1st Law Minister of India. He became the Chairman of the Constitution Drafting Committee. For his contributions he was awarded with Bharat Ratna. Ambedkar died on 6 December 1956 at his home in Delhi.
5. The diversity in India is unique. Being a large country with large population. India presents endless varieties of physical features and cultural patterns. It is the land of many languages it is only in India people professes all the major religions of the world.
6. Historically, letters have existed from ancient India, ancient Egypt and Sumer, through Rome, Greece and China, up to the present day. During the 17th and 18th centuries, letters were used to self-educate. The main purposes of letters were to send information, news and greetings
7. Hunsgi is a town in the Shorapur taluk of Yadgir district in Karnataka. A number of early Palaeolithic sites were found here. At some sites, a large number of tools, used for all sorts of activities, were found. These were probably habitation-cum factory sites. In some of the other, smaller sites, there is evidence to suggest that tools were made. Some of the sites were close to springs. Most tools were made from limestone, which was locally available.
8. The phases of the Moon are the different ways the Moon looks from Earth over about a month.
9. The moon goes through 8 major phases.

• A new moon is when the moon cannot be seen because we are looking at the unlit half of the Moon. The new moon phase occurs when the Moon is directly between the Earth and Sun. A solar eclipse can only happen at new moon.
• A waxing crescent moon is when the Moon looks like a crescent and the crescent increases ("waxes") in size from one day to the next. This phase is usually only seen in the west.
• The first quarter moon (or a half moon) is when half of the lit portion of the Moon is visible after the waxing crescent phase. It comes a week after new moon.
• A waxing gibbous moon occurs when more than half of the lit portion of the Moon can be seen and the shape increases ("waxes") in size from one day to the next. The waxing gibbous phase occurs between the first quarter and full moon phases.
• A full moon is when we can see the entire lit portion of the Moon. The full moon phase occurs when the Moon is on the opposite side of the Earth from the Sun, called opposition. A lunar eclipse can only happen at full moon.
• A waning gibbous moon occurs when more than half of the lit portion of the Moon can be seen and the shape decreases ("wanes") in size from one day to the next. The waning gibbous phase occurs between the full moon and third quarter phases.
• The last quarter moon (or a half moon) is when half of the lit portion of the Moon is visible after the waning gibbous phase.
• A waning crescent moon is when the Moon looks like a crescent and the crescent decreases ("wanes") in size from one day to the next.

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