Answer:
There is one in every corner and two in every room.
I'm a starchy plant tuber that is one of the most important food crops, cooked and eaten fried, such as french fries.
What word becomes smaller when you add 2 letters to it?
In your fire you hear me scream! Creaking and whining yet I am dead before you lay me in your hearth.
I have a ring, but no hands. I used to be plugged into the wall but now I follow you every where. What am I?
What sphinxes employ and players enjoy.