Answer:
I can be swallowed But I can also swallow you.
What type of house weighs the least?
Feed me and I live. Give me water and I die. What am I?
What is it that makes tears without sorrow. And takes its journey to heaven?
Iām tall when Iām young. Iām short when Iām old. I can light up your world. What am I?
Before Google, we actually had to physically look things up in this building full of knowledge.