Answer
Saturated Fatty Acids: These have only single C-C bond and no C=C double bonds. These are usually solid at room temperature. These are classified as unhealthy fats.
Unsaturated Fatty Acids: These have at least one C=C double bond. These are usually liquid at room temperature. These are classified as healthy fats.
Polyunsaturated Fatty Acids: These have two or more C=C double bonds. These are also usually liquid at room temperature.
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