Answer:
D. hot, but much cooler than at a hydrothermal vent
Explanation:
A cold seep is an area in the ocean floor where hydrogen sulfide, methane and other hydrocarbon rich fluids seep through thus forming a brine pool. 
A cold seep is also called a cold vent and its temperature is not necessary lower than that of the surrounding water, but it is lower than that of a hydrothermal vent which is about 60 °C.
 
        
                    
             
        
        
        
Explanation:
(A) The cell is unable to carry out the photosynthesis. ❌
(B) The cell is able to carry out the photosynthesis. ✔️
C) The cell has chloroplasts, cell wall and mitochondria. ✔️ 
(D) The cell doesn't not have chloroplasts, cell wall and fixed shape. ❌
 
        
                    
             
        
        
        
It would change the way that it was written as a formula
        
             
        
        
        
Answer:
sand silt dead crustaceans and stones
 
        
             
        
        
        
B... cause that’s the only one for that.