How do you spell this?
POLLUTION
What's this?
plastic
How do you spell this?
POLLUTION
How do you spell this?
PLASTIC
How do you spell this?
HARMFUL
What's this?
harmful
What's this?
pollution
What's this?
power plant
How do you spell this?
FACTORY
What's this?
factory
How do you spell this?
CHEMICAL
What's this?
chemical