The answer is T, True. Secondary pollutants are pollutants that we do not directly release, but that are created as a side effect of releasing primary pollutants, such as carbon dioxide, sulfur oxides, and particles such as ash and dust. Secondary pollutants include acid rain, ozone, smog, and CFC's (chlorofluorocarbons).
None of the above is the answerr
<span>Appositional growth refers to process of bone growth by which chondroblasts add new layers of cartilage to existing layers of cartilage. By this process, the cartilage is added under the hard covering called the periosteum, which results in the growth of diameter or thickness of bone and not length.</span>
