Answer:
Gastritis or also celiac disease
Explanation:
 
        
             
        
        
        
Answer:
A planet's atmospheric conditions influence its ability to retain heat, so that the location of the habitable zone is also specific to each type of planet.
Explanation:
 
        
             
        
        
        
<span>Bone marrow which is located <span>within the spongy or cancellous portions of bones is the essential site of new blood cell production or hematopoiesis. Bone marrow contains stem cells which able to differentiate into specialized cell types. People with diseases like blood cancers, such as leukaemia and lymphoma, sickle cell anaemia, and other rely on bone marrow transplantation to survive.</span></span>
        
             
        
        
        
Answer:
I shall oppose to this notion
personally I think that since there no oxygen on mars the extraterrestrial creatures or alien plants may have alternative means of survival even if there ain't water 
 
        
                    
             
        
        
        
<h2>Answer:</h2>
The correct answer is option A which is, "Electrons are re-energized to be used in NADPH production".
<h3>Explanation:</h3>
In photosystem II, light energy is used to split water molecules which release electrons.
These electrons then move to photosystem I to reduce NADP to NADPH.
Hence electrons in photosystem II are ultimately used to produce NADPH and option C is the correct statement.