False, the Arctic National Wildlife Refuge can not provide us with nearly on hundred years worth of oil.
<h3><u>Disease</u>:</h3>
Disease literally means being uncomfortable or at disturbed ease.
<h3><u>Acute </u><u>disease</u>:</h3>
Diseases that last for only very short periods of time are called acute diseases
<h3><u>Chronic </u><u>disease</u>:</h3>
Diseases that can last for a long time may be even for a lifetime are called chronic
<u>-TheUnknownScientist</u><u> 72</u>
the answer is differentiation
There has to be one side with a high concentration and another side with a lower concentration