Answer:
A vector quantity has a direction and a magnitude, while a scalar has only a magnitude. You can tell if a quantity is a vector by whether or not it has a direction associated with it.
Explanation:
Example: Speed is a scalar quantity, but velocity is a vector that specifies both a direction as well as a magnitude.
Cytoplasm is the gel-like fluid that fills the cell and surrounds the organelles.
Answer:
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Explanation:
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Immune System is the system that consists of proteins and cells.
