They answer is C because echinodermata and cnidaria are examples of radial symmetry
        
             
        
        
        
Answer:
no
Explanation: because i did that one and got ir right
 
        
             
        
        
        
Explanation:
A pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample. Mixtures are physical combinations of two or more elements and/or compounds.
Mixture is a combination of different things in which the component elements are individually distinct.
a pure substance consists only of one element or one compound. a mixture consists of two or more different substances, not chemically joined together.
 
        
             
        
        
        
The frog<span> heart has 3 chambers: two atria and a single ventricle. The atrium receives de-oxygenated blood from the veins (blood vessels) that drain the various </span>organs<span> of the body. The left atrium receives oxygenated blood from the lungs and skin...i believe this is right :)but im not sure but this is some of what one of my books say.</span>
        
             
        
        
        
Alcohol is a drug not a gateway drug