C. Potassium
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Hope this helps :)
Answer:
An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers. Tiny organisms that live in the ocean are autotrophs. Some types of bacteria are autotrophs.
I hope this helps :)
Here you need to put if you have any questions about the material you are learning. If you have none i would consider putting that you have none.
Prettty sure its interphase
