... , showed that the oxygen-18 content of each of the clouds ... of the following statements, if true, best helps to resolve the ... the rain clouds' oxygen-IS content?
I took a few PT tests prior to starting the 7Sage course videos. I am not all but done with the course videos and ready to hit the PT tests heavily. After the first test I did not see my score go up. My question is... after watching the videos, is it ...