Science
posted by Sara HELP ME PLEASE .
Janice found two sea shells when she went to the beach. They appear to be almost the same size, but they have different shapes. How could she figure out if their volume is the same?
A)Weigh each one on a scale to see which is heaviest.
B)Fill each one with water to see which will hold the most.
C)Drop each one in a beaker of water to see which raises the water level the most.
D)Measure the length of each one with a measuring tape to see which is longest.
THANKS!

B (we determine the inner volume)
C (we determine the total volume, i.e. the inner volume + the volume of shell substance)
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