Answer: Concentration gradient (happy to help)
Explanation: The particles may move along or against their concentration gradient.
<span>traits it has in common with other works
These are the characteristics of the piece.
</span>length of the piece of writing
time period of the writing
<span>author’s reputation and bias</span>
Scientists used the scientific method too learn more about how dinosaurs became extinct because with out that method it would be difficult and it would take a longer process too find out if they where really extinct
Because of the molicules in the liquids are different
Because the molecules that are being transported is moving against its concentration. gradient. in other words, its moving from where it's low in concentration to where it's high in concentration.