Verified Answer :

Hagrid

The
half life of the material does not increase with the amount of material
present. It actually decreases over time no matter how large the quantity is
present. The answer is letter B. For example if a gram of carbon-20 undergoes
half life reaction, after 20 seconds only half a gram remain, after 40 seconds,
a quarter gram will be left and so on.

garennd2485

True.........................

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