B . Excessive commercial fishing
Reason: the other options are good things this is the only bad thing
I'm not doing American Hone School. I'm busy with my own school
<span>Potassium channels open and potassium ions diffuse out of the neuron.</span>
Ketosis is a process that starts when your energy intake hasn't been enough, so ketone bodies, molecules produced by the liver, supply you with energy.
During ketosis, the ph of the blood decreases which means that the bloods acidity increases, which is not healthy.
Hope it helped,
BioTeacher101
