The reason for governments to intercede in the market is to insure there is regulation and no black market trading or selling occurring
with this, the government will create an equal opportunity for everyone to enter the market
Hope this helps
Since carotenoids stabilize dangerous free radicals, we can assume that their function is to protect the cell from the free radicals.
Protections the ozone layer
Maintaining animal and human food chain
Preserving potable water and making efficient use of non renewable resources