The correct answer is: [A]:
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"<span>all the members of a species that live in a defined geographic region at the same time."
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The vascular system of the plants are responsible for transporting water and needed nutrients for the plant to survive. Hence, when this is disturb certain transpirational pull is also disrupted, rendering the plant unable to collect water effectively. Thank you for your question. Please don't hesitate to ask in Brainly your queries.
Most likely bc of the smoke coming from all of the factories they had to start blending into the smoke and soot covered trees
