Explanation:
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Add up the molar mass of Mercury Oxide, and then divide the molar mass of Oxygen by the molar mass of the compound.
So...
mm of Hg + mm of O= 200.59g + 16g= 217g
16g/217g = .0737... x 100 = 7.37%
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1: The grass
2: The grasshopper
3: The frog
4: The snake
5: The eagle
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The answer is the 2nd one
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The owl would because its at the end it would have almost no more sun energy left in whatever it eats.
Hope This Helps :)
I think it’s oxygen and carbon