As cells grow, they need an increasingly large to allow for the adequate exchange of wastes and nutrients as their increases.

b - the respond is innate and varies over time.

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because the light is a great source of energy for the plants to survive. (i hope this )

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

hope this any more questions i am here plz mark brainliest

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;