Answer: This is an example of <em>tolerance. </em>
Explanation:
When a person has tolerance that means that they will need more of the substance to get them to same level as before. Many people grow an tolerance to certain prescription drugs, drugs, etc. A doctor can prescribe a new medicine or up dosages to help the patient not use more of the medication than prescribed.
For Tayla, this means she will have to have more of the substance to achieve the level she had before.
OK so if you mean that it will not pollute the air then yes this is true.
