About one hundred thousand years ago, very fluid lava started erupting slowly and gently from a place near a plate boundary. What best describes the slope of the mountain that resulted from such a phenomenon? Steep slope with high mountain, as these are formed by a composite volcano Gentle slope with mild hill, as these are formed by a composite volcano Gentle slope with mild hill, as these are formed by a shield volcano Steep slope with high mountain, as these are formed by a shield volcano

Question

Biology

Cali Becker

8 December, 18:32

About one hundred thousand years ago, very fluid lava started erupting slowly and gently from a place near a plate boundary. What best describes the slope of the mountain that resulted from such a phenomenon? Steep slope with high mountain, as these are formed by a composite volcano Gentle slope with mild hill, as these are formed by a composite volcano Gentle slope with mild hill, as these are formed by a shield volcano Steep slope with high mountain, as these are formed by a shield volcano

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Dalton Knox · Answer 1

The answer is; Gentle slope with the mild hill, as these are formed by a shield volcano

Fluid lava (which is less viscous because it has less silica content) flows much further than viscous lava (that is high in silica content). Therefore, this types of lava forms shield volcanos - low slopes and low height - because they flow over longer distances before they cool. Viscous lava from composite volcanos that are high in height and have steep slopes.