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Debajyoti Barman 6 years, 7 months ago

Sarthak agarawal
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Nitesh Dandyan 6 years, 7 months ago

The given statement shows that The two families knew each other. Some people had left their homes due to the war many years ago. Those who had stayed back ,thought that the ones who had left would never come back. That is why the women feels surprised to see one them come back. It also shows the selfishness of human behaviour. People care more for material things than for human beings. But it can't be said of all human beings. The narrator and her mother were totally in their nature . They were trusting and loving human beings. Thus the given statement does gives some clue about the story.
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Viswa Teja Reddy 6 years, 7 months ago

5

Ranveer ??? 6 years, 7 months ago

2 molecules

Ranveer ??? 6 years, 7 months ago

.5 molecule
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Sarthak Agarwal 6 years, 7 months ago

Principle of mathematical induction.

Chirag Saini 6 years, 7 months ago

PMI is a method of proving a mathematical statement, also known as principle of mathematical induction
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Komal Sharma 6 years, 7 months ago

Aginosperm are the flowring plant in which seeds are formed into fruits . The plant body is differentiated into leaf steam and root
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Khushi K 6 years, 7 months ago

Core subjects

❤ Unknown ❤ 6 years, 7 months ago

Best 5
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Aish ?? 6 years, 7 months ago

How one object changes to other with respect to time
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Aditya Saha? 6 years, 7 months ago

Thanks Yogita

Yogita Ingle 6 years, 7 months ago

To measure large distances, we employ an important method called the parallax method.
If we look at an object with one eye closed, its position seems to be moved a little from the original position.
If you look at a pencil held in front of your eyes against a fixed reference point on a plain wall, with your left eye, closing your right eye and then with your right eye, closing your eye you observe that the position of the pencil seems to change with respect to the fixed reference point on the wall. This is called parallax.
 You may call the two eyes are two different viewpoints, since when used separately; they create different lines of sights.
 Distance between these two viewpoints or points of observation is called basis. Here, the basis is equal to the distance between two eyes.
 We use exactly the same method to measure the distance of a distant star. Instead of two eyes, we view the star from two different observatories on the earth at the same time.
 To measure very small distances such as the size of a molecule, special microscopes need to be used. We cannot employ devices like a Vernier callipers or a screw gauge to measure such lengths.
All instruments such as simple microscope, optical microscope or an electron microscope have a certain limitations in measuring lengths. However, we can use a simpler method to estimate the size of a molecule.
Let us take some oleic acid. Oleic acid is a soapy liquid with large molecular size of the order of 10–9 metre.
We need to form a monomolecular layer of oleic acid on water surface so as to measure the thickness or diameter of a molecule of the acid.
We learnt how to measure a tiny molecular distance or a massive stellar distance.

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