Other agents are kind of a hybrid between the captive and independent agencies. The may operate under a national name such as Farmers Insurance, but can still write with other companies if their flagship company does not provide that line of coverage.
Nitrogen Dioxide & Sulfur Dioxide What are they? Sulfur dioxide (SO 2) and nitrogen dioxide (NO 2) are both parts of smog (which is usually not visible in South Carolina) and acid rain.Sulfur dioxide comes from the burning of coal and oil.It is very smelly.ulfur dioxide (SO 2) and nitrogen dioxide (NO 2) are both parts of smog (which is usually not visible in South Carolina) and acid rain.Sulfur dioxide comes from the burning of coal and oil. It is very smelly.
The largest net source of tropospheric ozone is influx from the stratosphere. Large amounts of ozone are also produced in the troposphere by photochemical reactions, the amounts increasing with high levels of air pollution.Much of this ozone, though, is balanced by photochemical ozone destruction.he largest net source of tropospheric ozone is influx from the stratosphere. Large amounts of ozone are also produced in the troposphere by photochemical reactions, the amounts increasing with high levels of air pollution.