Answer:
The earth moves two ways. It spins and it moves around the sun. The spinning of the earth is called rotation. It takes the earth abut 24 hours, or one day, to make one complete rotation.
Explanation:
The earth moves two ways. It spins and it moves around the sun. The spinning of the earth is called rotation. It takes the earth abut 24 hours, or one day, to make one complete rotation.
 
        
             
        
        
        
Solución: El problema indica que se le están suministrando 700 calorías de calor, eso quiere decir que Delta Q será positivo, por otra parte nos dice que al sistema se le aplicará un trabajo de 900 Joules, aquí el signo de Delta W tendrá que ser negativo, puesto que se la están aplicando al sistema.
Sabiendo ese análisis podemos dar solución al problema de la siguiente forma:
        
             
        
        
        
Neurotransmitters, such as acetylcholine--the major neurotransmitter found in the human body, act over a short time and they are quickly removed from the synapse by enzymes (i.e. acetylcholinesterase which breaks down acetylcholine to acetyl-CoA and choline).
        
             
        
        
        
Viruses reproduce by inserting their genetic code into the genetic code of a cell, from there, an active virus will copy itself over and over until that cell bursts, where the new viruses can repeat the process. Another type of virus inserts itself into the genetic code, but does not actively reproduce. It sits and waits for the cell to reproduce for it, by splitting in the way cells do.