Available Answers

1. 1.

   Why is the Earth a unique planet?
2. 2.

   Why the Earth is called the blue planet?

   OR

   Why Earth is called watery planet?

3. 3.

   Why Earth is called watery planet?

4. 4.

   What is the surface of the earth made up of?
5. 5.

   Name a planet that cannot support life. Give reasons for your answer.
6. 6.

   State three factors that have made life possible on the planet Earth.

   OR

   State the conditions favourable for life to exist on Earth.