Explanation:
lactic acid because of the acid it will release in the cellular respiration
To help you answer this question, you can search a sample reaction in the internet for hydroboration-oxidation. Take a look at the attached picture. The sample reaction is shown at the top. We can deduce that the original compound must be an alkene. Following the pattern, compound a must be 2-methylbutene as shown in the picture.
It is correct, next time re-check your answer and don't second guess yourself. ;3
Inference is an educated guess darlin
It is how close it is to the noble gasses