Answer:
hi!
Explanation:
for me the answer is A) sandstone.
Sandstone is a sedimentary rock composed of sand-size grains of mineral, rock, or organic material. It also contains a cementing material that binds the sand grains together and may contain a matrix of silt- or clay-size particles that occupy the spaces between the sand grains.
Sandstone is one of the most common types of sedimentary rock and is found in sedimentary basins throughout the world. It is often mined for use as a construction material or as a raw material used in manufacturing. In the subsurface, sandstone often serves as an aquifer for groundwater or as a reservoir for oil and natural gas.
the answer is local winds 110% sure it's correct
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Answer: The answer which is not an elements of an infrastructure is:
D) a population of skilled and unskilled labor
Explanation: Population of skilled and unskilled labor is not a criteria or not an element of infrastructure because infrastructure is the basic physical and organizational structures and facilities of an area.
