Answer:
I don't know but good luck :)
Usually these painting are made on birch trees because the bark has a much smoother surface compared to bark such as an oak tree.
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Answer:
Emphysema is a disease of the lung tissue where the elastic nature of the lungs gets destroyed by the irritating effects of cigarette smoke.
Lung cancer occurs when one of the lung cells decides to begin growing and dividing out of control.
Explanation:
Hope this helps!