Answer:
4
Explanation:
your chosen answer is right as unsaturated mean contains double bond and 1st and 3rd is Wrong as Carbon only can have 4 bonds and 2nd is Wrong as it is saturated.
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Wish I can help, but I don't take chemistry. :(
fly sry
It was the element of aluminium where they predict their properties <span />
Answer:B) The Skin and The Skin cells
Explanation:
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