Please no links, help, Coal, oil (petroleum), and natural gas are used as fuel. The graph shows changes in the per capita consumption of these three natural resources since 1820
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Afraidsugar lol it’s the third one

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.