What details personify the wind and sky in "blow blow"

The wind "bites" and the sky is "bitter"

Explanation:

This poem uses personification which is a device that gives human characteristics or attributes to an object that does not have them, in the line "freeze, freeze thou bitter sky, " the word sky is getting the quality of having flavor like a fruit, and in the line "that does not bite so nigh" talks about the wind providing it with an imaginary mouth.

the unsaturated fatty acid is a fat consist of one or more double bond in the fatty acid chain. if it contains one double bond then called as monounsaturated fatty acid however if, it contains more than one bonds called as a polyunsaturated fatty acid. true fatty acids are called unsaturated fatty acids as it reduces the risk of high blood cholesterol and good for health.

the answer a: perseverance !