Is there a connection between the size (surface area) of a leaf and the between the trunk to the road?

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Surface Area of leaves

Research question: Is there a connection between the size (surface area) of a leaf and the between the trunk to the road?

Aim: To find a connection between the size(surface area) of the leaf and the distance between the trunk and the road.

Hypothesis: Yes, I believe that the surface area of the leaves will increase the further away from the road they are. I believe that there are many reasons all due to different pollutions, caused by the cars driving on the road. I’m sure that it affects the leaves in other ways such as premature leaf drop, delayed maturity, plant growth, reproduction….but also the size will get affected. Cars are responsible for a tremendous amount of air pollution and wasted energy that affect humans and our environment. Acid rain, which is caused by air pollution, poisons our water as well as plants. The smoke and fumes from burning fossil fuels rise into the atmosphere and combine with the moisture in the air to form acids rain. The main chemicals here are sulphur dioxide and nitrogen oxides.  

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The tree’s roots absorb water from the ground, as a life source and when the acid rain, rains around that tree its life source is poisoned. The acid rain also harm the leaves as fog, acid fog, which the leaves will bath in, and that will make their protective waxy coating can, wear away. Which could lead to water loss, which makes the leave decrease in surface area. I also think that since the acid reacts with nutrients that the tree needs, such as calcium, magnesium and potassium, it’ll starve the tree, which will affect the individual leaves. And when ...

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