<span>Soft-shell is a term that is used in the culinary field. Crabs shell softens when their exoskeleton and remain soft from the shedding. Crabbers with the knowledge of their field know when crabs are prime to catch with a soft-shell in order to keep the shells from hardening.</span>
        
             
        
        
        
Because neurones will not function properly neither will neuroreceptors if a person lacks neurotransmitters, these two parts (transmiters and receptors) all work together and depend on eachother.
Neurones are resposible for transmitting informations trought the body, and if neurotransmitters are no-existent, information may not be able to get to some body parts since neurotransmitters transmit the information.
Hope it helped,
Happy homework/ study/ exam!
 
        
                    
             
        
        
        
D nucleotides. which have nitrogen, carbon and a phosphate group
        
             
        
        
        
Because water goes through your systems and makes you survive. They can live with water forever.
        
             
        
        
        
Answer:
I believe it is B, direct contact
Explanation:
Ali most likely wasn't eating food that the dog had contaminated, nor was it likely that a mosquito first bit the dog and then Ali. This leaves A and D, and A seems to be more likely.
Apologies if I am incorrect.