1. Which structural feature is found in most unsaturated hydrocarbons and never in a saturated hydrocarbon? O a branched carbon chain a single covalent bond O bonds between carbon and hydrogen atoms O a double or triple covalent bond​

Saturated hydrocarbons can form only single covalent bond while unsaturated hydrocarbons can form double or triple bond

Therefore A double or triple covalent bond

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it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter