first off it depends on what type of rocks your talking and or asking about. for example rubies emralds saphires and dimonds are considered precous stones because they can be used as a soort of currancy so to speak but mainly because they can be converted quickly to cash by them being liquiasssests.
if you need more information look up things like "the importance of precious stones and the stock marketand money feild "
Some rocks are more valuable than others because some are hard to find(rare)like diamonds and others like quartz are easy to find and are more common.
Rocks are valuable natural resource because we use rocks for lots of things like cement and brick like those stuff
Generally its scarcity and/or usefulness.
Depending on your location and how big your basement is going to be will depend on how costly it is for a basement excavation.
Infrastructure, including above and especially below ground
by organic i assume you mean does it come from the earth. yes, but the process of drilling it and drying it for use is very harmful to the planet and is very costly.
Only for large-scale energy developments as in Iceland, where it is used to generate electricity. Individual use of geothermal energy would be too complex and costly.
Yes hurricanes are always a danger to the people in the U.S.A mainly they come in Florida. Both lots of life and property are lost and they are all costly losses to the public.
As an adjective luachmhar: valuable, costly, precious maoineach: propertied, wealthy; precious, beloved
Precious isgwerthfawr: valuable, preciousprid: costly, deardrud: dear, precious, costlygorddethol:mindlws: simpering, affected, precious.
precious dear important priceless costly expensive
Precious ,
coal and petroleum are precious because now a days they are very costly and not mostly found
Of great price; costly; as, a precious stone., Of great value or worth; very valuable; highly esteemed; dear; beloved; as, precious recollections., Particular; fastidious; overnice.
Of great price; costly; as, a precious stone., Of great value or worth; very valuable; highly esteemed; dear; beloved; as, precious recollections., Particular; fastidious; overnice.
Of great price; costly; as, a precious stone., Of great value or worth; very valuable; highly esteemed; dear; beloved; as, precious recollections., Particular; fastidious; overnice.
Very costly or valuable basically something that belongs to you and you take care of It like it is related to you
uranium and plutonium are much more costly minerals.
If a mineral deposit is in a remote inaccessible place where it would be too costly to remove and transport, or if the mineral was too costly to extract and purify to obtain the desired element, it would not be considered an ore. Ores are substances that can be removed and processed in an economically justifiable way to obtain the desired product.
beloved, valued, favourite, prized, treasured, precious, intimate expensive, costly, high-priced, pricey, exorbitant