The answer is A. amino acids. Hope this helps!!!
        
                    
             
        
        
        
Answer:Among the oldest methods of preservation are drying, refrigeration, and fermentation. Modern methods include canning, pasteurization, freezing, irradiation, and the addition of chemicals. Advances in packaging materials have played an important role in modern food preservation.
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Answer:
Most autotrophs use a process called photosynthesis to make their food. In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose.
 
        
             
        
        
        
<span>Typically the skin will be cool and dry, except in cases of immersion in fluids, with mild hypothermia. Exposed skin may begin to turn purple and puffy once core body temperature falls below 90 degrees Fahrenheit. The patient will typically shiver if they have mild hypothermia only ceasing to do so after their core body temperature has fallen below 93 degrees Fahrenheit.</span>