Dear youngsters, could you answer the following questions.
1.    I am essential to life on earth! I am split into thirds. Two thirds are the same. One of the thirds is 8. The other two are 1 each. What am I?
2.    I can be driven, but have no wheels. I can be sliced, but still remains whole. What am I?
3.    I have two eyes in the front and a lot of eyes on my tail. What am I? Peacock
4.    I can be winding and I can be straight. I can be smooth and I can be rough. Sometimes both. I start out black but fade to brown the more I am used. My favorite colors are yellow and white, and I love stripes and dashed lines. What am I?
5.    People walk in and out of me. They push and I follow. When they walk out on me, I close up and I stay waiting for the next person to walk into my life when I have a more open mind. What am I?
6.    I shift around, though always slowly. I never move more than a few inches at a time. A large movement by me can kill many people. I am huge, yet unseen by humans. What am I?

Answers to last edition questions:
1.    Camera
2.    Postman
3.    Squash
4.    R
5.    Rocking Chair
6.    Scale