An ecosystem has abiotic(no living things like water and wind) and also biotic(living things) while a community is biotic things
The mantle is actually a liquid. The intense heat of the core of the Earth causes the mantle to move in convection currents.
The answer would be A. distribution of mineral deposits.
This is because the amount of minerals found in a particular region can affect the economy because of the possible exporting of that material.
<span> Northwest Territories, the Yukon, and the Nunavut.
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