D. An X-Y coordinate system, with the origin at 0° latitude and 0° longitude
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Metamorphic rocks form from heat and pressure changing the original or parent rock into a completely new rock. The parent rock can be either sedimentary, igneous, or even another metamorphic rock. ... This changing of rock types is called the "Rock Cycle".
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Answer:
Other common constraints on development are high economic poverty, hunger, high mortality rates, unsafe water supplies, poor education systems, corrupt governments, war, and poor sanitation.
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