Question

Why is earth called the unique planet?

Answer 1

Answer:

The crust, mantle, and core are the three layers that make up the earth’s interior. The crust is the earth’s outermost layer, and the core, located at a depth of 2900 kilometers, is the earth’s innermost layer. The earth is a unique solar system planet because,

• Conditions favorable to supporting life are only to be found on earth.
• The earth is neither too hot nor too cold.
• There are water and air in it, which are very important for our survival.

Interesting Facts on Earth

• From the sun, the earth is the third planet in the solar system.
• 71% of the earth’s surface is covered with water.
• About 29% of Earth’s surface is land consisting of continents and islands.
• Earth’s atmosphere is predominantly made up of nitrogen and oxygen.
• The mean radius of the earth is 6,371 km.
• The shape of Earth is nearly spherical, a better approximation of Earth’s shape is an oblate spheroid
• The shape bulges at the equator and is flat at the poles.
• The earth’s lithosphere is divided into different tectonic plates.
• Along these plate boundaries, mountain-building, volcanic activity, oceanic trench formation, and earthquakes can occur.
• Earth’s major plates are Pacific Plate, North American Plate, Indo-Australian Plate, South American Plate, Antarctic Plate, Eurasian Plate, and African plate.
• The main part of Earth’s magnetic field is generated in the core.
• Tides on earth are caused by the gravitational attraction between Earth and the moon.