Answer:
The outer core is more dense
You have a formula :

. You just have to apply it. It would gives :



Now, use your mind. How many would be needed to make 2000 cm3.


Therefore <span>the minimum number of identical containers that Tim would need to make 2,000 cm3 of ice is
20 (
option D).
Hope this helps !
Photon</span>
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