The phrase "a rich supply" is correct and usable in written English.
It can be used to describe an abundant or plentiful amount of something, often in contexts related to resources, information, or materials.
Example: "The region is known for its agriculture, providing a rich supply of fresh produce throughout the year."
Alternatives: "an abundant supply" or "a plentiful supply".
There's a rich supply of black-and-white period photography, too.
Each endocrine gland also has a rich supply of blood vessels.
The US, with declining graduation rates, may not have a rich supply of such workers.
In these environments, small organisms can become concentrated, providing a rich supply of food for other animals.
They also need a rich supply of nutrients, along with the right currents to carry them close to shore.
No ballet aficionado can possibly stay abreast of all the developments across the world, and a broadcast can pass on a rich supply of information.
But the planet has a richer supply of carbon than the Sun, leading astronomers to suspect that comets freighted with carbon and other heavy ingredients bombarded Jupiter as it formed and altered its chemistry.
Overpaid Agents in Iraq A26 Shoe-Hurler Seeks Pardon A26 NATIONAL OIL-INDUCED GOOD TinES Stop RoLouisianaLouItiana It wasn't just the Middle East swimming in profits from high oil prices, it was also Louisiana, a poor state with an uncommonly rich supply of natural resources.
Funny books for children seem to offer a particularly rich supply of appalling behaviour.
However, this necessitates a continuous rich supply of oxygen and substrates to maintain optimum contractile performance [ 7].
Understood (or find and read an explanation) about respiration to support living tissues using red blood cells--such that as you breathe, the oxygen goes throughout "all" parts of the body even to the eye, i.e. : the retina has a very rich supply of capillaries to feed those cells to make sight possible.
