She stood up to what she believed in.
I think you just use the word given in a sentence
Writing to convince audience about an opinion
Based on the given scrambled letters above, the answer for this would be a BATHYMETER. A bathymeter, by definition, is an instrument that is used to measure the depth of water in oceans, seas, or lakes used in bathymetry--the study of <span> the "beds" or "floors" of water bodies. Hope this answer helps.</span>