our body tells us we need more energy by feeling hungry (like your stomach is rumbling), and it also tells us by feeling tired. also if your body is short on fluids, you will start feeling fatigued.
 
        
             
        
        
        
Leave the faucet off while brushing your teeth and cut shower time
        
             
        
        
        
Answer:
Requires additional labor
Explanation:
The pros are the positive points and cos are the negative points.  
Cons of recycling bottle  
Cons of recycling bottle will include all those factors which are affecting the nature or cost in some or the other way.  
Out of all the given options, requires additional labor is a negative point as it points out the limitation of recycling of plastic. Plastic cannot be recycled if it requires extensively large labor force. Also large labor force will lead to higher cost.
Rest all other option are in support to the practice of plastic recycling.  
 
        
             
        
        
        
Answer:
A. pH
Explanation:
Denaturation of proteins is a protein whereby the protein molecule loses its primary structure and ultimately its physical functioning as a result of factors including pH, temperature or concentration of chemicals. Based on this definition, it is visible that denaturation of proteins can be caused by these three factors: pH, chemical and temperature. 
However, in this case of PEPSIN enzyme, which is a proteinous molecule produced in the stomach of humans and functions in breaking down proteins, its denaturation occurs as it moves along the digestive tract to the intestines. This is as a result of the changes in pH in the digestive tract. 
The pH of the stomach where pepsin is produced is acidic i.e. <3.0. However, as one moves towards the intestine, the pH increases, which is unfavorable or considered harsh for the pepsin enzyme. Hence, it gets denatured.
 
        
             
        
        
        
Answer: E. Triglyceride
Explanation:
Abnormality in the normal metabolic process may lead to the accumulation of the triglycerides in the hepatocytes of the liver. These can be seen as the clear spaces in the cytoplasm of the liver cells. This can be diagnosed with the routine H and E stain test. 
The calcium shows dark blue to purple color, hemosiderin shows yellow brown color, lipofuscin shows golden brown color.