Which clue can be used to identify a chemical reaction as a combustion reaction?

oxygen is a product.

a hydrocarbon reacts with oxygen.

water and carbon dioxide react.

the reaction involves ions.

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic

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