Which Fraction Is Improper

question 9

Multiple Choice

Which fraction is improper?

• A) 20/15
• B) 15/15
• C) 10/15
• D) 5/15

---

Definitions:

Nonexplosive

Characterizing volcanic eruptions or events that release magma, gas, and ash in a relatively gentle and steady manner.

Thin Lava Flows

Layers of lava that spread out over large areas and cool to form relatively thin sheets of rock.

Lava Fountain

A volcanic phenomenon in which molten lava is forcefully ejected into the air from a vent or crack in the Earth's surface.

Pyroclastic Flow

A rapid flow of hot gases and volcanic debris that descends along a volcano's slopes when there's a violent eruption.