Answer:
(C) Metropolitian Area
Explanation:
Metropolitian Areas are those that are developed. This answer makes the most sense because a developed area is one that people have grown in and settled.
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Answer:
A. are brought from the mantle to the surface in magma that hardens into kimberlite
Explanation:
Diamonds are brought to the surface from the mantle in a magma that is known as the kimberlite. This kimberlites is rich in gases and it is an igneous rock that has the following minerals,olivine, phlogophite, serpentine etc.
The origination of diamonds in the mantle happens as carbon transformation occurs due to heat and pressure occurs. The kimberlite pipes and what brings the diamonds to the surface
The second one is A, amount of time
D. exhausting a natural resource is not sustainable
