no corkboard is brown. you see it at school or at the store they post things on it.
A corkboard is board that is made from cork. It is manly used for bulletin boards or presentation boards. Newer versions are not made of cork anymore. They are magnetic and made of metal.
A corkboard is environmentally friendly because it is made from recycled materials. The materials that are used are corks taken from wine bottles, and are also biodegradable.
Aluminum foil is opaque.
Opaque
It is opaque
it is opaque
Corkboard is an online website which allows users from all over the globe to interact, collaborate, create ideas, collect ideas, pictures and much much more. Users can also sign up with their Facebook account or twitter.
more opaque [comparative] most opaque [superlative]
It is Opaque
Yttrium is opaque.
"opaque"