A sharp, stinging odor would most likely be a defense mechanism for a plant. 
        
             
        
        
        
Answer:
The answer is A.
Explanation:
This is the definition of the law of conservation of matter (mass).
 
        
             
        
        
        
Animals, they only have a cell membrane, not cell walls. 
I don't know what the answer choices were, though, but I hope this helps. 
        
                    
             
        
        
        
Answer:
Now a days, due to technological evolution we have modern and advanced devices than we have a 100 years ago. These devices and equipment like a DNA analyzer used in forensics have made it easier to analyze the victims DNA in no time. Not only these devices are fast and efficient but are also very accurate and help us get better and better results as the days of technological evolution are passing by....