As raw materials became scarce, synthetics were developed.
I can give you several sentences.Money is scarce in my house.We need to conserve scarce resources.Make yourself scarce!
When money is scarce, you may need to use some of your savings.
When money is scarce, you may need to use some of your savings.
The number of misquitoes this summer were scarce.
When a product is Scarce, it is more Expensive.
Few things are as scarce as hen's teeth.
Water is scarce in the desert
When work was scarce he had to dip into his savings to meet his daily needs.
My savings account provides scarce income.
In many third world countries, food and medical care are quite scarce.
For some, hair becomes more scarce with age. The most basic of supplies immediately became scarce when the war broke out.
The adverb form of "scarce" is scarcely.An example sentence is: "he apologised, scarcely above a whisper".