False, igneous rocks may classified by chemical composition but may not be crystallized together in the same rock. SO there are always different minerals in igneous rocks.
Answer:
Through infrared radiation
<span>Flow maps show how objects move between different areas. They are a type of thematic map, which look at a particular theme or topic. Flow maps often represent movement of goods or weather processes. A physical process that is commonly represented on and tracked by such maps is wind patterns.</span>
