Answer:
숨을 들이쉴 때마다 폐포가 공기로 채워져 폐가 확장됩니다.
Explanation:
도움이 되기를 바랍니다 !!
<span>A trait that improves the fitness of its bearer, compared with individuals without the trait.</span>
The answer is B.The respiratory system supplies the oxygen that the cardiovascular system transports to the different cells for the production of energy.
A moraine is a landform feature which is formed by the glacier retreating. The ridge of sediments that geologists found has a feature namely moraine.
<h3>What is moraine?</h3>
The materials usually soil or rocks left behind by the glaciers are called moraine.
Just like rivers that carries all sorts of debris and silt and eventually builds up to form deltas, similarly glaciers moves all sorts of dirt and boulders that assembles to form moraines.
As the geologist found a ridge of sediments and notices a glacier in the distance so this is the moraine.
Thus, the correct answer is C.
For more details regarding moraine, visit:
brainly.com/question/3791076
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