Scientific validity is the applicability of a conclusion drawn in the context of a scientific experiment to the world at large.
        
             
        
        
        
I believe it would be Bone Tissue and Connective Tissue
        
                    
             
        
        
        
The tongue muscle that the child uses when she sticks her
tongue out is the genioglossus. This is the muscle of the tongue that is
responsible for making the tongue to stick out or protruding the tongue of an
individual.
 
        
             
        
        
        
Which of the following is a plant waste product?
A. oxygen 
<u>B. carbon dioxide </u>
C. water 
D. sugar
 
        
             
        
        
        
It helps get rid of carbon dioxide.
Took me a while to understand any of this XD