Uranium, most uranium does derive from a star. However, not from our sun.
The density of an object determines whether it will float or sink in another substance. An object will float if it is less dense than the liquid it is placed in. An object will sink if it is more dense than the liquid it is placed in.
Answer:
C.
Explanation:
We get it from the food we eat by mixing it with fluids. Also, you can always look up the answer.
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Ca=40.07841 ,Nitrogen=14.006722 ,Oxygen15.99943
molar mass= (1xMW of Ca)+(2xMWof N)+(6x MW of oxygen)
Molar mass (molecular weight) of Ca(NO3)2 is 164.0884 g/mol
- log (3.26x10^-2) = 1.49 which is B
