Answer:
positive: can learn lot's of new things
negative: there's lot of work 
 
        
             
        
        
        
Could you possibly tell me what exactly you need help with? As my computer already has viruses, I am surely not going to click on any of those. Sorry!
        
             
        
        
        
The sentence <em>Dogs and cats sometimes fight in a veterinarian's waiting room </em>is A) a simple sentence.
A simple sentence has only one independent clause, and this sentence has only one independent clause (only one verb) so it has to be simple. 
        
                    
             
        
        
        
The incorrect among the choices is "<span>direct signaling involves the activation of g proteins"
This is incorrect because direct signaling does not involve the activation of g proteins rather it involves the activation of ion channels resulting to either an excitation reaction (depolarization of the membrane) or an inhibition reaction (hyperpolarization of the membrane); and this will ultimately affect the action of the organ the nerve is innervating.</span>
        
                    
             
        
        
        
Answer: A star that collaspes is called a neutron star
Explanation: Have a great day! ;)