Answer:
Number <u>3</u> is the chloroplast. The chloroplast helps the plant obtain food by <u>photosynthesis</u>. Number <u>1</u> is the central vacuole. The central vacuole helps a plant maintain its structure by <u>turgor pressure</u>.
 
        
             
        
        
        
They are all the examples of organ system.
        
                    
             
        
        
        
Answer:
Probably forest land but that is just my guess
Explanation:
 
        
             
        
        
        
Im guessing the increase of GMO foods and excess preservatives and chemicals that may provoke certain food intolerances and allergies.
        
             
        
        
        
Answer: IV: the tire treads. DV: The braking distance of the car
Explanation: