Answer:
Cigarette smoking is the number one risk factor for lung cancer. In the United States, cigarette smoking is linked to about 80% to 90% of lung cancer deaths.
Explanation:
Tree is your answer.
An Organism is classified as a "living animal, plant, or single-celled life form."
A tree, is a plant, therefore, Tree is your answer
hope this helps
Lettuce and spinach has a semi permeable membrane
since it's put into water, which water has a higher water potential than the leaf cells, water molecules will pass from the water to the cells through the membrane by osmosis . this leads the cells to be turgid and therefore the lettuce and spinach becomes firm
