The meaning of the word 'exposure' as used in the given excerpt is their vulnerability to the environment.
What is a Word Meaning?
This refers to the definition of a word that is used to convey the explanation of a word and its usage in a sentence.
Hence, we can see that based on the given sentence, we have to note that the word 'meaning' has different meanings, but based on the given context which talked about research and how it has demonstrated the usefulness of monitoring when assessing people's exposure to lead in the environment
Based on this, we can see that the word meaning is the vulnerability of people when they are exposed to lead which can be harmful to them and needs monitoring.
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