A grid system make it easier to find A LOCATION on a map.
The grid references define locations on maps by using Cartesian coordinates. The grid lines used on maps define the coordinate system and they are usually numbered to provide unique references to features.
C. Overcrowding in the coastal cities.
Hope I'm not too late...
Good luck!
The answer is C.dense, as the snow compacts with with persistent snowfall.
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Answer</h2>
The answer is Regional Metamorphism
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Explanation</h2>
In the metamorphism, the rock is altered with the effects of natural agencies. Regional Metamorphism is the type of metamorphism, where the rocks are also changes with the interaction of high pressure or heat on the open wide area instead of contact with the magma. These rocks are also changes with the overburden of plate tectonics. In this question, the large-scale folding of rocks represents Regional Metamorphism.
New Zealand has had a three decade anti-nuclear campaign so it's safe to assume they are.