This can be identified as a population. In a population, the organisms are the same species and they have to live in the same area. For example, the population of cities are the head count of the species of human in that one area.
I would go with c because its tells you right in there that the ecosystem help who lives around that area.
1) Communicationlanguage allows one to understand the thoughts of another2) Arbitrariness<span>Relation between a word and what it refers to is arbitrary
</span>3) Meaningful structure<span>All languages are patterned so larger structures build in a sensible way on smaller ones
hope this helps!!!
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I looked up your question just now and found this sight that has plenty of answers in it. https://www.britannica.com/place/Appalachian-Mountains
Hope this helps.
Inertia. The reason why is because of Newton's First Law Of Motion, when you let go of the cart when you push on it, it will continue to roll until gravity, friction, and wind resistance eventually stops the cart.
