Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
First, chemicals such as CFCs exist only because of technology.
Source: https://www.theatlantic.com/science/archive/2023/10/search-for-alien-life/675707/?utm_source=feed
Leaded gasoline, which in the end did far more harm to human health than CFCs, was actually a more manageable and preventable class of threat.
Source: https://www.nytimes.com/2023/03/15/magazine/cfcs-inventor.html