Answer:
silt 3
Explanation:
an aquaferis a rock layers that stores and allows the flow of groundwater 
 
        
             
        
        
        
The most common cause of anemia is iron deficiency. 
        
             
        
        
        
Plants use and produce both oxygen and carbon dioxide.
        
             
        
        
        
Answer: Option A is correct. They eat consumers which ate plants, which absorb it from soil.
Explanation:
Carnivores get nitrogen from the food they eat or consuming nitrogen from the small insects trapped in plant. They eat consumers which in turn eat plants and absorb nitrogen from the soil.