Animals such as sharks have diffrent levels of structres organization in their bodies. each cell in a multicellular organism does not perform every life function
The whole human body is a lever system, that's how muscle work. Your joins are the fulcrum, your muscle contracts and hence is the effort. On the other side, whatever you're holding and the weight of your hand is the load. There are all 3 classes of lever system in your body.
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Answer:
fossil fuel doesnt need atmospheric carbon for burning
