It was designed in France in 1791. This is not an advantage!
Answer:
D. Look for scientific research about whether these claims are correct or not.
Explanation:
Being a Scientific question, the question should be based more on your ability to find out if the jewelry is made of real material (or the material they claim they used). This can be found by finding their sources of material, and checking professional reviews.
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Evidence for evolution is provided by homologous structures. These are structures shared by related organisms that were inherited from a common ancestor. Other evidence for evolution is provided by analogous structures.
The answer is D) carbon forms both single and double bonds.