Answer:
D). 
Explanation:
As we know that temperature scale is linear so we will have

now we have

so the relation between two scales is given as

now we know that in kelvin scale the absolute temperature is 600 K
so now we have

so correct answer is
D). 
A Car at the top of a hill.
It is because in that case, produce of mass and height is highest which is directly proportional to potential energy
In short, Your Answer would be Option A
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Answer:
The most common oxidation numbers for a given element
Hey there!:
Here the Statement - D is correct.
Because Orbitals containing the core electrons are more attracted towards nuclear charge and hence less shilded from nuclear charge than an orbital that doesn't penetrate. Also due to more attraction between the orbital containing core electron and nucleus, it will have less energy.
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Answer:
Significant digits (also called significant figures or “sig figs” for short) indicate the precision of a measurement. A number with more significant digits is more precise. For example, 8.00 cm is more precise than 8.0 cm.