Answer:
Without this, H2O would just be 2O
Prior to smartphones, people used this to record their lives.
What is all over a house?
What body part is pronounced as one letter but written with three, only two different letters are used?
Edible items purchased in large quantities.
I am a room that has a roof but no walls. What am I?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?