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Lightening 20%
The Earth's core 27%
The surface of the Sun 32%
Lava 21%
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Interesting fact:
Natural gas is transported most often by pipeline. When pipelines are not possible, the gas is shipped in a liquid form. When it reaches its destination, its changed back to a gaseous state. Initially, natural gas is colorless and odorless. The “rotten egg” smell is an additive from the electric company to help detect possible gas leaks.
