Wendy asks Kolbar if Solar Terrarium used up all of its' natural gas.[1]

Natural gas is a type of gas. It is used as fuel for vehicles, indoor heating of buildings and in the manufacturing of plastics, steel and glass.

On the planet Solar Terrarium, natural gas was among many resources that had been used up completely.[2]


  1. As seen in Too Hot to Handle.
  2. As seen in Too Hot to Handle.

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