F is the symbol for fluorine which is a single atom. A molecule is two or more atoms together, which makes F not a molecule.
A. Moisten and filters incoming air
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Population growth is the increase in the number of people in a population. Global human population growth amounts to around 83 million annually, or 1.1% per year. The global population has grown from 1 billion in 1800 to 7.9 billion in 2020. ... A popular estimate of sustainable population is 8 billion people.
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