Answer:
Before Mount Everest was discovered what was the highest mountain on Earth?
I transfer oxygen from the atmosphere to your blood
If you lose one of me, you are upset, bewildered, and perplexed. If you lose two of me, you are blissfully unaware. What am I?
Some try to hide, some try to cheat, but time will show we always will meet.
Born of sorrow, grows with age, you need a lot to be a sage. What is it?
When is it bad luck to see a black cat?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic