that is incorrect. should be AN old tree. a vowel always precedes next word beginning with another vowel
Some trees can live for hundreds of years. The oldest tree in the UK is said to be over 2000 years old.
pines trees, and spruces, and a bunch of trees that have needles but don't fall when it is winter
A coniferous tree bears cones - they are fir trees. Therefore Oak, Maple, Beech, Ash, Cherry are all non coniferous trees.