3 words in this vocabulary list
noun the scientific study of volcanoes and volcanic phenomena
noun a word that represents a person, place, thing, or idea. In this case, 'Panthalassic Ocean' is a specific body of water on Earth.
article a word that specifies a noun. In this case, 'the' is a definite article used before 'Panthalassic Ocean' to indicate a specific ocean.
noun a large landmass that is made up of all or most of the continents