Answer:
Without this, H2O would just be 2O
Temporary evidence of where you've been strolling
Without coolant, you'll have some trouble with this.
What time starts and stops with an ānā?
What type of drink is usually added to cereal in the morning?
What is big and yellow and comes in the morning, to brighten mom's day?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?