Duringavolcaniceruption,magmaisejectedoutofthevolcano.Whichofthe following BEST describes a magma? A. Magma are gases given off by active volcanoes. B. Magma is a molten rock that breaks through the Earth’s surface. C. Magma is rock fragments and particles ejected by a volcanic eruption. D. Magma is an extremely hot liquid and semi-liquid rock located under the Earth’s surface.