Plants obtain carbon dioxide from the leaves through the gas.
However they can also get it from soil.
Various aspects of health and population are related with the biological aspects of environment. Biological things available in various places are different according to the geographical situation. Man gets food items from biological things like plants, birds and animals.
Well i don't know what diet and exercise could risk leading to since they are both a pretty healthy thing to do. But tobacco could lead to cancer?
Answer:
d physical
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