<span>Answer:During expiration, the volume of the thorax decreases as the diaphragm rises/relaxes.
In expiration the air gets out of the lungs and it's not occupying as much space in the lungs, so the volume of the thorax will decrease. Meanwhile, the diaphragm can go to his relaxed stage and move </span><span><span>superiorly</span>
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Man you need to change this to a different catagory
If you search label beetle into chrome, then go to the images the second picture will show you answers.
Ok, I'm sick and tired of incorrect verified answers and Yes the verified answer here is incorrect. The correct answer is "B." and here is why:
hypoxia: a condition of oxygen depletion in water
Now know this, oxygen depletion mainly occurs when dirt and soil that have been sprayed with agriculture fertilizers are introduced or enter a body of water.
Fertilizers are actually amazing on land and they improve the soil quality immensely, but in the water they promote the growth of phytoplankton. This in itself isn't so bad, but once the fertilizers wear off the plankton die and decay, which then in turn uses more oxygen.
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