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Write E in the blank if the material is heterogeneous or O if it is homogeneous.
Write E in the blank if the material is heterogeneous or O if it is homogeneous.1. Wood _ 6. Dirt _
2. Freshly-brewed black coffee _ 7. Sausage and mushroom pizza _
3. Water _ 8. Air _
4. Lucky Charms_ 9. Milk _
5. Salt _ 10. gold _
Final answer:Thematerialsare categorized as eitherhomogeneous or heterogeneousbased on their composition. Homogeneous materials are uniform throughout like water, black coffee, air, milk, and gold. Conversely, materials like wood, Lucky Charms, dirt, and pizza are heterogeneous as they have diversecomponents.Explanation:A substance is consideredhomogeneousif it is uniform throughout and its different components cannot be distinguished visually. Conversely, a substance isheterogeneousif it is non-uniform and its different components can be observed. So, answering your given materials:Wood EFreshly-brewed black coffee OWater OLucky Charms ESalt ODirt ESausage and mushroom pizza EAir OMilk OGold OIn these examples, wood isheterogeneousas it has distinct rings and textures. Freshly-brewed black coffee and water are examples ofhomogeneoussubstances because they have a uniform composition throughout. Lucky Charms has different components (marshmallows and cereal pieces) which makes it heterogeneous. Similarly, pizza is heterogeneous as it consists of different toppings. Air, milk, and gold are homogeneous as they are uniform throughout and have the same composition.Learn more about Homogeneous vs Heterogeneous here:brainly.com/question/35065620#SPJ2...