Sonia is studying where oxygen goes in the body. She investigates how oxygen moves from the bloodstream into the cells. Based on this evidence which structure is Sonia most likely to examine in this work?

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.

"it built up in the atmosphere"

i think thats it, idk, i tried looking for this exact q& a for grad. and idk if i got this question right or sorry if im wrong

look at this it will give you up to 17 answers