Respuesta :

brodyx46

Answer:

an experiment can be valid if its not reliable like something useless or something that worked when it was tested but failed later

Explanation:copy and paste that :)
A experiment can be valid and and not reliable. The experiment can give you a correct example for an answer but it is not always reliable as you can make a tiny mistake that some might not notice and end up with the wrong example which would get you to a unreliable resource