Write a short note on origin of life. [2 Marks]

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Solution

4.5 billion years ago the temperature of the Earth was higher than the surface of the sun. [0.5 Marks]

Water was formed 4.5 billion years ago due to the rain of meteors on our planet, Earth. [0.5 Marks]

Molecules are formed when atoms react together. [0.5 Marks]

Carbon can form large compounds through chains, rings, and branches. [0.5 Marks]

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