Mira analyzed oxygen and carbon dioxide in inhaled and exhaled air. She found that the percentages of both gases were different in each. What other gas would most likely also have different amounts in inhaled and exhaled air?
ozone (O3)
hydrogen (H2)
water vapor (H2O)
sulfur dioxide (SO2)

answer: if she breaths she a thho

explanation:

sorry, is there a picture? i do not see any arrows.

wut? unius0123 wut?

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added

plato users:

d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.