6. Classify the kind of growth (irreversible and internal or reversible and external) that takes place in each of the following things: body cells, hair, mountains, rivers, nails, clouds, glaciers, teeth
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Average speed is the total distance traveled divided by the time. Speed takes into account the total path length traveled. Average velocity is the displacement divided by the time. Velocity only takes into account the starting and ending points of an object's path. 11-Jul-2017
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The hair and the nails are non living.The cells present in the hair and nails are dead cells.They are just a part of our body
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