The question you asked is invalid, as a gas generator creates electricity and there is no such thing as an electric generator. However, a gas generator compared to a diesel one is less beneficial.

They are not. Tornadoes frequently cause property damage and can kill and injure people. They can clear out old vegetation, allowing for new growth, but this benefit is minor compared to the harm caused.

Alloys have improved mechanical properties, hardness, resistance to corrosion, resistance to heating, stable crystalline structure etc. compared with pure metals.

Probiotics

Beneficial is an adjective.