The endomembrane system has the different membranes that are suspended in the cytoplasm within a eukaryotic cell. The membranes divide the cell into functional and structural compartments, or organelles. 
 
        
             
        
        
        
The correct answers of this question is options A and C. Types of context clues are direct explanation or variation, and restatement or synonym. Context clues are hints that a writer gives to explain a difficult word. Other types are antonyms, interference and punctuation.
        
             
        
        
        
The answer is B. Peer-reviewed journals.
Results that are peer-reviewed means that they have been checked by scientists who are also experts in the same fields. And that means that the results are reliable.
        
                    
             
        
        
        
Calcareous ooze<span> is a form of calcium carbonate derived from planktonic organisms that accumulates on the sea floor. ... Below this depth, calcium carbonate begins to dissolve in the ocean, and only non-</span>calcareous<span> sediments are stable, such as</span>siliceous ooze<span> or pelagic red clay.</span>