Answer:
C. Regulate how much carbon dioxide a country can emit
The answer to this question would be: frequency
The higher intensity of the stimulus, the higher frequency of the action potential will be sent. The nerve can't send a higher action potential, so it firing at higher at higher intensity instead. So when you felt an intense pain, that means the pain receptor is firing more stimulus per second compared to low or mild pain.
The reason behind this is that <span>Ruby inherited both alleles, which are incompletely dominant. The correct option among all the options that are given in the question is the third option or option "C". I hope that this is the answer that has actually come to your great help.</span>
<span>Adopt ecological conservation practices :)</span>