Respuesta :
The chemical composition of lava from volcanoes was not initially an important form of evidence used in support of the theory of plate tectonics.
What's lava?
- Lava is molten or incompletely molten gemstone( magma) that has been expelled from the innards of a terrestrial earth( similar as Earth) or a moon onto its face.
- Lava may be erupted at a powder keg or through a fracture in the crust, on land or aquatic, generally at temperatures from 800 to,200 °C(,470 to,190 °F).
- The stormy gemstone performing from posterior cooling is also frequently called lava.
- A lava inflow is an outpour of lava during an demonstrative eruption.
How lava is formed?
- Lava forms when magma erupts from a powder keg.
- As pressure is released feasts, dissolved in the magma, bubble out so the composition of lava changes. utmost lava overflows are formed by the eruption of hot( around 1200oC) basalt magma.
Learn more about lava here:
https://brainly.com/question/15393639
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