The level of productivity in oceans can be explained by the fact that the volume of the global ocean is enormous.
The oceans cover about 70% of the earth. This makes the ocean to occupy the largest volume on earth.
In spite of this large volume, the productivity of the ocean is just about 55 billion tons.
This low productivity of the ocean is tied to its large volume and small amount of primary productivity.
Learn more: brainly.com/question/22283115
 
        
             
        
        
        
A medical researcher measured the diastolic wall thicknesses of the arteries in a young, healthy test subject. The test subject came back 20 years later to have the measurements repeated. The measurements revealed that the subject's artery walls were half as thick as they were originally. Which of the following is the most likely long-term effect if the measured trend continues?
b) Arteries will be unable to withstand the pressure exerted by the heart, causing an aneurysm
        
                    
             
        
        
        
The statement that could be categorized in the overlapping section of the Venn diagram would be option A. All the statements given above are about the aerobic and anaerobic respiration. The Venn diagram is used to show the similarities and differences between the two. The overlapping section of the diagram shows the similarity and it "uses pyruvate or pyruvic acid".