Joke: Types of gas
She wrote science on the chalk board and said: "Class! today we are going to learn science"...
Teacher: Can you please name few gases?
Fresh kapito: Carbon Dioxide.
Teacher: Very good both of you!
Jerry, a lazy student who mostly sleeps in class started laughing hard... When asked why, he replied...
Jerry: “Madam please you forgot one type of gas”
Teacher: well, tell us...