The second one due to the fact that pioneer plants come in much later
i believe it's <u>B. An atom of iron</u>
Explanation:
Position is the location of the object (whether it's a person, a ball, or a particle) at a given moment in time. ... Distance is the total amount the object has traveled in a certain period of time. Displacement is a vector quantity (direction matters), where as distance is a scalar (only the amount matters).
The answer to this question would be answer B. Angiosperms
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