Natural monopolies are allowed when a single company can supply a product or service at a lower cost than any potential competitor but are often heavily regulated to protect consumers.
A company with a natural monopoly might be the only provider or product or service in an industry or geographic location. Natural monopolies are allowed when a single company can supply a product or service at a lower cost than any potential competitor but are often heavily regulated to protect consumers.
The atmosphere had no oxygen it thereby created an environment where only anaerobic organisms could exist. They couldn't make there own food due to lake of oxygen in the atmosphere
