The difference between them is the Pure Sine Wave inverter produces a better and cleaner current. They are also considerably more expensive. You might find it practical to get a small Pure Sine Wave inverter for any special need you may have, and also a larger Modified Sine Wave inverter for the rest of your applications.
Elm Trees can live over 100 years in their natural environment.
The average age of older cedars is 600-900 years of age depending on species and cultivar. REDWOOD. The typical life span for a redwood tree is 500 to 700 years, although some trees live to be 2000 years old. The reason is mostly because of their super thick bark. The bark can be up to one foot thick, which also contains tannin, which protects redwood trees from fires, fungus, insects and diseases.