Is  this a true or false question?
        
             
        
        
        
Parent material, organic matter, sand, silt, clay, water
        
             
        
        
        
They allow the heart to pump more blood by decreasing the ESV.
        
             
        
        
        
The elodea is getting the carbon dioxide from its environment like when underwater animals breathe out carbon dioxide the plants will use that carbon dioxide. The plants can also get the carbon dioxide from the atmosphere which can "dissolve" in water.
        
             
        
        
        
Respiration is a chemical reaction that takes place in cells and allows them to release energy. Reactants are the substances that react together in a chemical reaction. In respiration the reactants are glucose and oxygen.