It is correct because the water level will be different when the statue fall into it the water level will be higher . it is because it is named by displacement
u subtract the the water level of the pond before the statue fall into it and after, this will get the volume of the statue.
"D" insulin, is what regulates the amount of glucose in the blood. That is the problem with Diabetes. People don't have enough insulin, or too much so that their blood sugar is high or severely low.
I hope this helps!
~kaikers