After 30 compressions, open the victim's airway - head tilt-chin lift (push the forehead back with one hand and lift the chin to move the jaw forward with the other hand). Give 2 breaths, each for 1-second duration, and look for chest rise.
Ponderosa Pine. Montana designated the ponderosa pine (Pinus ponderosa) as the official state tree in 1949. Montana schoolchildren selected the ponderosa pine over the Douglas fir, American larch, and cottonwood as Montanaâs state tree in 1908, but it was not made official until 1949.
Paper birch (Betula papyrifera) state tree of NEW HAMPSHIRE The paper birch is easily recognized for its peeling white bark, which actually did find historical use as a paper substitute. An alternate common name for the tree is canoe birch.