Cell Membrane
Hope this helps =]
Sound waves cannot travel through a vacuum. This is because sound waves move by actually compressing molecules--therefore in a vacuum it would be impossible for sound to travel. This is also why no sound can be heard in space.
Answer:
the body has glucagon and insulin, glucagon tells the body to release more glucose whenever glucose levels are low and insulin feels the glucose to the body, reducing glucose levels
Explanation: pretty much it
The correct answer is C) Will only be accepted if they are repeatable. Hope this helps.
It would be E.......
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