It is generally stored and transported as a liquid, but its low boiling point (7.5&#176;C) means that it readily becomes a heavier-than-air gas.
(It; is generally stored; ) (It; transported; as a liquid) (its low boiling point (7.5&#176; means; that it readily becomes a heavier-than-air gas) Context(its low boiling point ( 7.5 & # 176 means,List([56, 96))):(it; readily becomes; a heavier-than-air gas)
its low boiling point ( 7.5 & # 176 means,List([56, 96))
It It its low boiling point (7.5&#176 it
is generally stored transported means readily becomes
as a liquid
that it readily becomes a heavier-than-air gas
a heavier-than-air gas