Provide a neatly drawn plot of energy versus dihedral angle for rotation around the C-C bond of ethane. 
Definitions:
Weight Gain
An increase in body weight due to an excess of calories consumed over calories expended.
Bouchard
A researcher known for his work in the field of psychology, particularly in studies related to genetics and behavior.
Environment
The environment or setting where a person, animal, or plant exists or functions.
Genes
The units of heredity, which partially determine an organism’s characteristics.
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