I don’t understand. Is there a picture? Where are the options?
Answer:
Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air).
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Answer:
answer is potasium means k
Not sure if this was a true or false but ok great job it is true. :)
