Answer:
Abiotic is basically a non living factor so the answer is 
D. Sunlight, temperature , conductivity, dissolved oxygen.
All other options contain one biotic or living factor like algae, star fish and crabs these aren't Abiotic.
 
        
             
        
        
        
Explanation:
the answer is not A, B,D now get it it is Clear C protists
 
        
             
        
        
        
Answer:
power to change is the snswer
 
        
             
        
        
        
Pyruvic acid binds with Coenzyme A (CoA) to form acetyle CoA. The acetyle CoA begins the Kreb Cycle.
        
             
        
        
        
Answer:
As an injury of the central nervous system.
Explanation:
Peripheral nervous system is the nervous system outside the brain and spinal cord. The central nervous system consists of the brain and spinal cord. The autonomic nervous system is a control system that acts largely unconsciously and regulates bodily functions, such as the heart rate, digestion, respiratory rate, and more. The somatic nervous system is the part of the peripheral nervous system associated with the voluntary control of body movements via skeletal muscles. Therefore, central nervous system is your answer!
Hope this helps :3