Which of these earth systems interact when a volcanic eruption produces a large amount of smoke?

The walls of valhalla were hung with shields; its ceiling glittered due to polished spearheads. read the passage. look at the underlined sections marked number (17). there may be a mistake in the way the sentence is written. if you find a mistake, choose the answer that corrects the mistake. if there is no mistake, choose ‘correct as is.’

Ni? as de la fotografía son mis primas malena y alejandra.

Ageologist studying volcanic activity is collecting rocks that formed from hot, molten magma. what type of rock is the geologist collecting?