Option(B) is the correct answer.
In mountainous areas of western North America, north-facing slopes would be expected to support biological communities similar to those found at higher elevations on similar southfacing slopes.
Community, also known as a biological community, is a group of interacting organisms that share a shared habitat in biology. A biological community is made up of things like a forest of trees and underbrush plants that is home to various animals and is anchored in bacterial and fungal-rich soil.
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