I'm not sure what the choices are, but here are some answers that are true about ecosystems:
An ecosystem is a large community of living organisms
Each ecosystem has its own community.
Once defined, an ecosystem is a unit scientists can analyze
The living parts (plants, animals and microbes) of an ecosystem are the biotic components.
The greater the inputs, the greater the biodiversity in an ecosystem.
Ecosystems are dynamic and a greater input leads to a greater biodiversity.
Generally it is a third world country (or similar) that is starting to develop its resources and upgrade on its society. It is when poverty begins to lower and more wealth is belonged to the country.
A. Seems the more logical answer to me
Answer:
The Von Thunen model of agricultural land use was created by farmer and amateur economist J.H. ... Farmers in the Isolated State transport their own goods to market via oxcart, across land, directly to the central city. Therefore, there are no roads. Farmers act to maximize profits.
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