Answer:
gravity that's what I rellat think it is
Maybe this example could help you to understand this problem.
https://image.slidesharecdn.com/121howmanyatoms-091201144624-phpapp02/95/12-1-how-many-atoms-17-728....
Answer:
orange juice because it a type of acid.
3.65 X 10 to the power of 8
Answer:
the answer is A
I made a chart for AP chem if you want to refer to it.