Answer:
Bacteria release carbon dioxide into the atmosphere when they break down dead plants.
 
        
             
        
        
        
During active transport, the sodium pumps would transfer the solutions opposite the concentration gradient. This means that it would go from Solution A to Solution B
        
             
        
        
        
Answer:
Image result for individual living thing
An organism is any individual living thing. It is easy to recognize a living thing, but not so easy to define it. Animals and plants are organisms, obviously. Organisms are a biotic, or living, part of the environment.
 
        
             
        
        
        
Answer:
D
Explanation:
Blood is pumped by cardiovascular, respiratory system breathing process takes in oxygen and breaths out carbon dioxide when the digestive system food process gives the body energy for this processes to be successful