The Equator is halfway in between
 
        
             
        
        
        
<span>The answer is  Due to heating of the air by the engine exhaust. Contrails are formed when the hot exhaust of the plane engines is rapidly cooled by the cold air in the upper atmosphere. The water vapor in the engine exhaust, formed in the combustion of fuel, freezes immediately to ice crystals due to the low pressure and -36oC  temperatures in the 8000 m altitude in which the planes cruise. </span>
        
             
        
        
        
Answer: sympathetic nervous system prepares body for intense physical activity and known as flight or fight response whereas parasympathetic nervous system is almost the opposite, it relaxes the body and slows many human functions
Explanation:
 
        
             
        
        
        
Answer: 19.0914498141
Explanation:
I assume that you were trying to say what is 25678 divided by 1345.
 
        
             
        
        
        
first step in protein production is the transcription of DNA to mRNA in the nucleus. the next organelles involved are ribosomes. if the protein is not destined to the cell membrane the mRNA is translated on a cytoplasmic free-floating ribosome