Answer:
Answer
take a plant having partially green and white leaves.
Destarch the plant leaves by placing the plant in dark room for three days.
The potted plant then placed in the exposure of sunlight for three days.
pluck the leaf of the plant and allow to boil it in alcohol to remove its green colour.
 
        
             
        
        
        
Answer:
I think D one would be 
Explanation:
plzz mark me as branliest 
And follow me 
 
        
                    
             
        
        
        
Answer: The systems regulate the house, the same way our body system helps regulate our body. If it wasn’t for the electrical system, plumbing system, heating, and cooling system the house wouldn’t be regulated or able to live in. Just like if our bodies isn’t being regulated, we can't live. 
I hope this could help you! ^^
        
             
        
        
        
Diseases that can affect the circulatory system include:
Atherosclerosis. Atherosclerosis is a hardening of the arteries. ... 
Heart attack. ... 
Mitral valve prolapse. ... 
Mitral valve regurgitation. ... 
Mitral stenosis. ... 
Angina pectoris. ... 
Arrhythmia and dysrhythmia. ... 
Cardiac Ischemia.