Lots of moss and spores grow here because of the damp shady environment explaining the ferns on the ground
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In geography, there are two different types of scales, the map scale, which is the distance on a map compared to the actual distance on Earth, and the scale of analysis, which is the spatial extent of a variable. Different scales of analysis can drastically change your perception of an area.
One positive effect of devolution is that it helps maintain a cohesive state. This means that it helps the state remained unified.
Welp they both had two great oceans between them, a land invasion is near Impossible, and a sea attack would not be smart for the Central Powers/Axis
An Air attack needs refueling and no enemy had a close airbase plus we had anti air any attack on North America or any of the Americas is useless.
I think c. Is right because pollution can contaminate the entire world if we don't work together