yes
no you cant see through itEdit (Wolf5370): Erm, the definition of opaque is that you can't see through it! So, yes a CD is mostly opaque (though the edges where ther film does nor reach is usually transparent - see through).
Aluminum foil is opaque.
Opaque
It is opaque
it is opaque
more opaque [comparative] most opaque [superlative]
It is Opaque
"opaque"
Yttrium is opaque.
Yes, books are usually opaque. Opaque means to block the passage of radiant energy and especially light.
Opaque
it is because opaque