A useful characteristic of a scientific theory is that it must be possible, at least in principle, for experimenters to prove it wrong.

This useful characteristic also helps their mobility , which is discussed later in Impact as an invasive species section.

Scoria has several useful characteristics that influence how it is used.

To this end, they have a number of particularly useful characteristics that distinguish them from their more common counterparts.

Should the useful characteristics be put into the genes, so children are born with hands instead of feet?

Indeed many of their most useful characteristics derive from this.

Advantages and disadvantages are useful or problematic characteristics that are not common to all characters.

Like other waves, there are a few useful characteristics describing a gravitational wave:

Among other useful characteristics, they are stable, nontoxic and cannot catch fire.

Linux arrived at a crucial time in computing history, offering the right blend of useful characteristics.