56. We enjoy our life today with all comforts and luxury due to major inventions of the early humans . With examples, explain the statement.
57. Why do we call Biosphere as living sphere and how does it get affected by human activities? ( any 3 points)
58. Imagine yourself playing a dual role. One as a hunter during pre-historic period and other as a modern civilised citizen of our country. Try to differentiate yourself between the two stages.
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Q.11 A shopkeeper has imported set of bowls at rs 399. He gives two sets of bowls for the price of one
set and still makes a profit of 14%. What did
the shopkeeper pay for one set of bowls?
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1)The printing press had an amazing impact for people all around the world, because information could be recorded and spread around the world much faster than before. It also made books far more affordable to middle class people.
2)Biosphere is called the sphere of life because it is the narrow realm of contact between lithosphere and hydrosphere
3)I don't know
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