French scientist Pierre Petit confirmed the theory of Blaise Pascal (that air pressure would decrease with height) by carrying a barometer up a mountain and observing that the pressure dropped with increasing elevation.
(French scientist Pierre Petit; confirmed; the theory of Blaise Pascal) Context(French scientist Pierre Petit confirmed,List([0, 39))):(air pressure; would decrease; with height) (Pierre Petit; [is] scientist [from]; France)
French scientist Pierre Petit confirmed,List([0, 39))
French scientist Pierre Petit air pressure Pierre Petit
confirmed would decrease [is] scientist [from]
the theory of Blaise Pascal
with height
France