Starfish have a unique form of digestion in the animal kingdom and a water-vascular system that allows the animal to breathe.
All your answers should be in this article:
http://animals.mom.me/feeding-respiration-starfish-6596.html
Answer:
C. 579g
Explanation:
Use the formula Density= mass/ volume, make mass the subject of the formula and substitute the given values.
19.3g/cm3 is the density of gold
30cm3 is the volume for the piece of gold
The best answer among the following choices to fill in the blank would be A).
Answer:
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