A scientific theory is an explanation that A. Has been published in a journal or a book

B. predicts what will what

C. Has been tested by many observations

D. A scientist has tested with an experiment

C

Explanation:

Has been tested by many observations.

if you are on the computer you can not take a picture but you can upload one but i am not sure about phones but i'm pretty sure it's the but to upload one just click the paper clip looking thing/ link thingy thing and upload a pic

because he is that the right