Terrestrial ecosystems (tetrapods)
Answer:
A
Explanation:
Electromagnet is an electrical component that when powered emits a magnetic field based on the amount of current provided. this is the same principal that runs induction motors
Answer:
Why the red blood cell disc in shape is because that is how blood cells carries oxygen around. This is why blood type is important, and how people with a blood type of AB negative is so rare, this is because the AB negative blood cells doesn't have the shape to carry the oxygen needed for the body.
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