Answer:
Ring shaped inflammation would make me think ringworm. In which the answer would be Antifungal as you can buy OTC antifungal cream for relief.
Explanation:
 
        
             
        
        
        
Son muy peligrosas porque pueden tener veneno.
        
             
        
        
        
Answer: The carbon dioxide is the output and oxygen is the input of the Scuba apparatus.
Explanation:
The scuba apparatus is a life saving apparatus used by the sea divers. It recycles the exhaled gas and removes the carbon dioxide and compensates for the utilized oxygen gas before the diver is actually supplied with the gas for the purpose of breathing in a circuit. Hence, the carbon dioxide gas is the output and the oxygen is the input. 
 
        
             
        
        
        
Answer:
Unconditioned stimulus.
Explanation:
Classical conditioning may be defined as a type of learning procedure in which the biological procedure is used to pair up with the previous nerve stimulus. This stimulus result in the response of an individual.
The Pavlov experiment with the dog explains the process of classical conditioning. The ringing of bell (conditioned stimulus) is paired with unconditioned stimulus (meat presentation).
Thus, the meat presentation is unconditioned stimulus.
 
        
             
        
        
        
Answer:
A sexual reproduction it is mostly send in single sel organisms