The forensic doctor states that when a pregnant woman dies, gas formed inside the body.

It will not burn because the gas forms an insulating layer between your hand and the l-N2.

Unlike liquids, gases cannot form a free surface on their own.

Oil, gas and coal form the cornerstone of our nation's energy base and will continue to do so for many years to come.

When the pressure around the water is lowered, the gasses can come out of solution and will form bubbles.

These gases form a kind of envelope around the expanding star.

The gas will form waves on the liquid surface, which may grow to bridge the whole cross-section of the line.

Such gases form cavities, which can often be observed in these minerals.

The gas will not necessarily form bubbles in the solvent at this stage.

These gases form a cloud around the core of the star.