I believe your answer is C. incandescent bulb
Obsidian is volcanic glass compared to other igneous rocks , there’s also no proper crystallization compared to the other igneous rocks
Answer:
Natural elements such as metals, wood, and recourses such as H20,C02,and o2.
Iron, copper, and aluminum are 3 metals that are commonly used in todays economy.
Land: Elephant (grasslands/forests), Rhinoceros, Lion, Tiger (forests), Fox, Jackal, Buffalo
Water: Crocodile (swamps/rivers), Dolphin (freshwater rivers), Chromide, Turtle
Air: Vulture, Peacock (dry lowlands/forests) , Pigeon, Owl, Hornbill, Blue Mormon (heavy rainfall areas)