Question

Write an 566 Words Essay on Evolution of the Earth

Answer 1

In the beginning,the Earth’scomposition was very different that how it exists today.A long time ago the Earth’s atmosphere was very similar to today’s Venus and Mar’s atmosphere. It had about 95% carbon dioxide, 2-3% nitrogen, and very little, less than 1% oxygen.Today the Earth contains 79% nitrogen, 21% oxygen, and 3% water vapour. It is evident that there were many events that happened over billions of years that have contributed to this change in the Earth’s atmosphere.

The Earth had developed so drastically because of the tremendous dust and gas cloud within the Milky Way galaxy- The Earth grew larger as huge meteorites hit it,and die surfed was covered with dust. Volcanoes began to form and emitted lava, ash, and most important gases.

Answer 2

Our Universe is very huge . It is made up of many many heavenly bodies like star , meteoroids, asteroids, planets etc .



Our earth is also one of them . Earth is in the Milky way galaxy . It is the only planet where life exists . Here found the atmosphere and water which are the two basic needs for survival of life.



Our earth is on 5 th rank according to size.


It's atmosphere is having 5 layers .



Our earth is spherical in size. It is commonly known as blue planet Because when we go above , we will found that it looks blue .



Our earth is covered by water and land .


It because when the earth was formed in starting it was a very big ball of volcanoes and when the reaction take place it rained for millions of years and the water got collected. The part of earth which got submerged is now sea and the above relief features are now the mountains. But in the sky it looks blue.







Earth is having a great variety of flaura and fauna . About 17-18 million of variety of flaura and fauna is on earth .



Our earth revolves around the sun . It complete one Revolution in 365¼ days .



It also rotate on its axis in 24 hours .



The rotation of earth is responsible for the day and night while the Revolution of earth is responsible for the seasonal changes in earth.



The earth is very beautiful. The really very much helpful for all of us . Today we are leaving a very comfortable life on earth all because of it .



We are having a very great loan of mother earth. We can't repay that loan .



Thanks dear mother earth !!