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.
Red Cedars can reach 1200-1400 years of age. The average age of older cedars is 600-900 years of age depending on species and cultivar. 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.