write 15 line about earth
Answers
Answer:
our planet is known as earth
earth is spherical in shape
it is
a unique planet
it contain 3 layer
crust , mantle , core
it has biosphere ,
lithosphere and atmosphere
Answer:
1) Earth is one of the eight planets of our solar system that revolves around the sun.
) Earth is the only known planet supporting life in the entire solar system.
3) Many scientists claim that earth is supposed to be 4.5 billion years old.
4) Around 73% of the surface of the earth is covered with water.
5) Earth has an atmosphere containing 21% oxygen which helps in the survival of living beings.
6) There is a very dense atmosphere around the Earth and it contains about 78.09% nitrogen, 20.91% oxygen and 1% other gases.
7) On the surface of the earth, there are huge mountains, somewhere rugged plateau and fertile plains are found elsewhere.
8) The surface of the Earth constantly changes during time period due to plate tectonics and erosion.
9) Changes at the bottom due to plate tectonics have an effect on weather, rainfall, heat cycle and chemical changes.
10) These changes occur on the surface due to many factors such as freezing, coastal erosion, formation of coral reefs and large meteor bodies falling on the earth.
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