paramecium
Amoebas use pseudopods to move around while a paramecium uses a cilia 
 
        
             
        
        
        
Carbon Dioxide or CO2 is the waste product of the Krebs Cycle
        
                    
             
        
        
        
The answer will obviously be letter A
        
                    
             
        
        
        
Answer:yes of course if we don’t the environment will die and undiscovered animals will become extinct and we can’t discover them till it’s too late and those polar bears are on thin ice and it’s not fair to them that they have to suffer for our choices
Explanation: