A mosaic is a design made from small pieces or pictures, or something that resembles a mosaic. Here are some sentences.
The current state of the Mosiac web browser is discontinued. Development and Support of the Mosiac web browser was discontinued in January of 1997. However, you can still download the browser from the NCSA website.
They're called 'tiles'
NCSA Mosiac
Torah.
tesserae
NCSA Mosiac
Tessera (plural: tesserae)
The Romans did, im in history class...so i should know....
because it boarders the cell like a mosiac
i do not know how to use embalming in a sentence. (there is the sentence)
tobacco mosiac virus, adenovirus, and bacteriophage
So- you are asking when to use 'when' in a sentence. When you are asking how to use when in a question, you are already using when in a sentence, because a question actually is a sentence. I like to use when in a sentence whenever I like.