Scientific knowledge________ as testing procedures and instruments improve

please help Ãnd quick!

Surely you have notes and/or a text that you can use. Otherwise, we are just searching for the right word out of millions of words. I might guess "improves" or "gains" or "advances."

Surely you have notes and/or a text that you can use. Otherwise, we are just searching for the right word out of millions of words. I might guess "improves" or "gains" or "advances."