Riddle #927

I'm tall when I'm young, I'm short when I'm old, and every Halloween I stand up inside Jack O Lanterns. What am I?

I have four legs. I live in Africa. I am big and grey. I live in the river. What am I?

I hiss. I can be poisonous. I am long. I have a forked tongue. What am I?

I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?

I have a face like a tree and skin like the sea. A great beast I am, yet small vermin frighten me. What am I?

Although I may have eyes, I cannot see. I have a round brown face with lots of acne. What am I?

I travel all over the world, but always stay in my corner. What am I?

I may seem real yet I am not, Once you're gone I'm often forgot. Time here stretches and it shrinks, It all depends on how you think. I may be good, I may be bad, I may be the same as one you've had. What am I?

I am something to make you think, I am something to make you know. I am something to which the answer you might never know. What am I?

I have 4 eyes, but I cannot see! What Am I?

There was a green house. Inside the green house there was a white house. Inside the white house there was a red house. Inside the red house there were lots of babies. What am I?