Question: a scientist is observing dye diffusing through a block of gel. After the dye has diffused an average distance of 1cm into the gel, the

a scientist is observing dye diffusing through a block of gel. After the dye has diffused an average distance of 1cm into the gel, the scientist makes a note of the time it took (calling it T1). In order for the average distance the dye has diffused to reach 2 cm in total, how long should the scientist expect to be waiting?

A) half T1

B) the same as T1

C) twice T1

D) four times T1

E) the diffusion would cease after 1 cm.

Pls include working

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