Answer:
I'm written with two letters, said with one and seen with two. What am I?
I am a bow that can never be tied or broken but can disappear. What am I?
I wear a green jacket on the outside white jacket as a second layer and red jacket inside. I am pregnant with a lot of babies. (one word)
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.
I belong to everyone. Sometimes make you happy, sometimes make you sad. I will never end until the day you do. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?