| 1. The Sun is the heart spot of the Solar system which is the source of energy of all organism of the earth. |
| 2. The innermost layer of the Sun is called Corona. |
A) 1 only
B) 2 only
C) Both 1 and 2
D) Neither 1 nor 2
Correct Answer: A
Solution :
The sun is the heart spot of the Solar system which is the source of energy of all organisms on Earth. Our sun is the center of our solar system and is the source of all energy for almost every organism on the face of the Earth. The sun provides a vast spectrum of energy. Everyone knows that the sun produces lots of heat and light. But our sun produces energy that is much more important. The vast amount of energy that our sun produces is called RADIANT ENERGY Radiant energy is defined as invisible and invisible light; it is also energy that travels in waves, directly or indirectly, the sun provides nearly all of the energy required by the organisms on Earth. The corona is the outermost layer of the Sun, starting at about 1300 miles (2100 km) above the solar surface (the photosphere). The temperature in the corona is 500,000 K (900,000 degrees F, 500,000 degrees C) or more, up to a few million K.
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