According to simple diffusion. Molecules travel from high concentration to low. So it would be traveling into the cornea
Direct observation is an observation you make first hand. It is something you see with your own eyes and observe yourself.
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The Answer to the question is C
The Earth Is billions of years old and Earth is much more different now than it was then.
We do a little more about how much you want to be the first to know that the government is not cycled rest he's sleep woe