Useful: Energy Light Sound Non-Useful: Electricity C02
it is useful for idiots
useful effect viruses
Silence is most useful when broken.
YES swamps are useful to the country
In a way no because, xanthophylls contain oxygen atoms, while carotenes are purely hydrocarbons with no oxygen. Xanthophylls contain their oxygen either as hydroxyl groups and/or as pairs of hydrogen atoms that are substituted by oxygen atoms acting as a bridge
Most useful and more useful.
more useful, the most useful
Computers are so useful to us.Bert is not a very useful person.I find that the phone is a useful invention.Make yourself useful and pass me the spanner.Hopefully these sentences are useful to you.
how are mirrors useful ? how are mirrors useful ?
more useful, most useful
more useful and most useful
is nuclear deal useful for us? why nuclear deal is useful for us? is nuclear deal useful for us? why nuclear deal is useful for us? is nuclear deal useful for us? why nuclear deal is useful for us? is nuclear deal useful for us? why nuclear deal is useful for us?
useful
Extremely useful
its not useful for the refrigerator its useful for humans only....
Useful for...in a troop? Useful for...in a Circus? No offense, but what do you mean?