whicht of the following nutrients is primarily used or buiding and repairing of demaged cells and tissues

protein ..i hope this helped!

Explanation: protein is a nutrient used to repair our body cells (like blood and muscle cells).

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.