Which type of investigation would most likely be conducted to answer the following question? at what percentage of their full-grown weight are elephants born? collected comparative descriptive experimental

The answer is "descriptive investigation".

This type of investigation is the most basic one in science, however, the most appropriate to answer this question. It includes the following parts: Observations, scientific research question, procedure, data and analysis, conclusion.

Comparative investigation could also give us the answer, however, it would require going through some extra steps that we can skip by going with a different investigation type.

its tr3way you already know