Answer:
 3 can you think of other examples of toxic substances not listed in the gizmo from science 101 at Stephen decatur high
 
        
             
        
        
        
Answer: it's usually cytokinesis in plant is from centre to periphery while animal is viceversa
Growth 1
 
        
             
        
        
        
Hello! The best answer would be C - Colds because bacteria can reproduce and spread rapidly, which is why a cold sometimes develops fast. As for the others, your body is just adjusting to the weather with A, B is a sexually transmitted disease which is caused from contact with another through sex, D is caused by sweets/certain foods that break down your teeth. I hope I helped you!! Have a great day!!
 
        
             
        
        
        
1. Testing only one variable
A controlled variable means its the one that stays the same. In a controlled experiment, it means there is only one manipulated, (changed) variable.