Editing error correction

Trees can live in an extremely             (a).....
longer time-tens, hundreds, even        (b)...
thousands of years. Most trees has     (c).....
a single woody stem call a trunk          (d).....
who supports a mass of branches       (e) .....
carrying leaves. Trees clean an           (f)....
air to removing tiny airborne                (g)...
particles and polluted gases.               (h).....