Encircle the letter of the best answer.
1.During a volcanic eruption, magma eruption, magma is ejected out of the volcano. Which of the 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