In reporting the results of investigations, scientists generally include both the methods used in the investigation and

A. Scientists include their research methods because other scientists need to repeat the tests and confirm their results.

Explanation:

I would say A sounds the most convincing out of all listed

Hope it helped :)

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d

Regular or uniform type