The purpose of vesicles is simply water retention
 
        
             
        
        
        
Answer:
Advantages of written communication: Easy to preserve: The documents of written communication are easy to preserve. Oral and non-verbal communication cannot be preserved. If it is needed, important information can be collected from the preserved documents.
 
        
             
        
        
        
Answer:
The correct answer is - C. oxidation of substances organic.
Explanation:
The major function of the mitochondria is to perform cellular respiration and produce energy in the form of ATP by oxidating organic molecules. All the process requires energy to be processed, however, the main and primary process that would disturb if by the destruction of the mitochondria occur which is the oxidation of glucose to convert it to pyruvic acid to generate energy.
The Krebs cycle that takes place in mitochondria and performs oxidation of organic molecules will also be disturbed and there will be no energy for any process.
 
        
             
        
        
        
Answer:
B and D? or the second and fourth ones
Explanation:
 
        
                    
             
        
        
        
Answer:
 A
Explanation:
because dinosaurs roamed the earth way longer than that.
sorry if im wrong buddy