Answer:4 beans
Explanation:You didnt add the full question..
The respiratory system always needs iron. The red blood cells are in charge of the transport of O2. They need iron to do this.
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Answer:
used to observe small objects, even cells
Explanation:
The image of an object is magnified through at least one lens in the microscope.
Answer:
Both have dinosaurs as ancestors (basically both are related to dinosaurs)
Explanation:
