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प्रश्न
In the dust, they leave behind,
Could have started life on the earth,
Which resulted in mankind.
According to scientists, how did life start on earth?
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उत्तर
According to scientists, life started on earth by the dust left behind by these comets.
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संबंधित प्रश्न
What are the sounds heard by the poet?
During a get-together, your friend makes fun of your singing in front of your friends. You thought your singing was fine, but your friend thinks you really need to practice much more. How angry does that make you feel?
I was angry with my friend
I told my wrath, my wrath did end.
Whom does ‘I’ refer to?
And it grew both day and night,
Till it bore an apple bright.
What does ‘apple’ signify?
Recall a recent situation when you became angry. What were the consequences of your anger? After listening to the guidelines on anger management, find out how well you could have handled the situation. Write your findings.
In your own words give a detailed description of:
The Spider’s Parlour
River, river! Swelling river!
On you rush through rough and smooth;
Why does the poet mention the river to be swelling?
Broad and deep, and still as time;
Seeming still, yet still in motion.
Is the time still?
Fill in the crossword puzzle using the clues given below.

ACROSS
2. Earth's only natural satellite
3. Morning star
6. Titan is the largest moon of ____
9. Smaller bodies in orbit around the Sun
10. The star at the centre of solar system
11. The Blue planet
12. Largest planet in the solar system.
DOWN
1. Smallest planet in the Solar system
2. Our Galaxy
4. Seventh planet from the sun
5. Distance travelled by light in a vacuum in one tropical year
7. Farthest planet in the Solar system
8. The Red planet.

Complete the summary by filling in the given spaces with suitable words/phrases given below.
| a trail | spectacular | spectacular scene | outer ice | a cheetah |
| day or night | emerging of life | powerful and strong | shock wave | scientists |
The poet describes a moving comet which speeds through the heavens and never takes a break by ____________. When a comet is in full flight, it gives a ____________ which can never be compared to anything else for a lifetime. The comet is compared to ____________ for its speed and a mountain as it is ____________. The ____________ melts which causes a vapour from the force and leaves behind _________ as it travels on its way. If it comes very close to the atmosphere, it causes a shake which in turn produces a ____________ that reach the Earth’s surface. According to the ______________ the comets leave behind chemicals in the form of dust which resulted in the ____________ on earth and mankind came into existence. But the poet is not sure whether this principle is true or not but he knows for sure that whatever the truth may be, the sight of the comet in full flight is ____________.
