It has more density when it sinks because the water pushes away thats why people float they are less dense
Answer:
the anwser isn't in the choices
Explanation:
H=MC(change of temp.)
M=mass of water=250g
C=specific heat of water = 4.186 j/g
change in temperature is 121-40= 81
H= 250x4.186x81=84766.5J
Answer:
metal can hold heat keep it near fire
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