This is the phenomenon of natural convection , ubiquitous in our daily experience: rising clouds of cigarette or campfire smoke, ripples of heat from a car's hood, thunderheads reaching into the stratosphere.
(This; is; the phenomenon of natural convection , ubiquitous in our daily experience) (thunderheads; reaching; into the stratosphere)
This thunderheads
is reaching
the phenomenon of natural convection , ubiquitous in our daily experience
into the stratosphere