Answer: it is C.
Explanation:
Troposphere comes first in the atmosphere. Then it is stratosphere. Last, it is mesosphere.
As the primary bronchi enter the lungs, they branch off into smaller secondary bronchi that carry air to each lobe of the lung. Thus, the right bronchus branches off into 3 secondary bronchi while the left lung branches off into 2 secondary bronchi. The secondary bronchi further branch into many smaller tertiary bronchi within each lobe. The secondary and tertiary bronchi improve the efficiency of the lungs by distributing air evenly within each lobe of the lungs.
Answer:
Active Transport
Explanation:
Active transport is what is used to help material move through a cell. In this picture it shows the material going through a part in the mitochondria which is like a door that opens to only certain things.
I think that the answer would be C. the measure of the change in elevation over a distance. Hope i was right!
Black holes are created when a large star collapses when they run out of nuclear fuel.
Hope this helps!