Answer:
Oceanic factors include the pressure gradient, temperature variations and salinity differences
Explanation:
Each factor has a significant effect on the flow of oceanic current.. 
 
        
             
        
        
        
Answer:
C. development of vascular tissue for bulk flow
Explanation:
 
        
             
        
        
        
A doctor need to study chemistry: To know and understand the chemicals processes of matter in the body work which is for example insulin, DNA etc. and to study of all processes in a living organism. The three reasons to study chemistry is because chemistry can be useful in clearing up the natural world, preparing people for career opportunities and producing informed citizens. Some outcomes of modern research in chemistry can lead to technologies that aim to benefit the environment, preserve and produce energy, progress human life and multiply our knowledge of the universe. To help the citizen be a more informed citizen is to let them know how things work makes better decisions and use them better 
        
             
        
        
        
The more intense the light is, the faster the rate of photosynthesis will occur
        
             
        
        
        
The role is that it helps you with the urinal system and makes the things in your body go out of the body. (hopes it at least helped a little! (=^T^=)