Answer :
Toxicology is the branch which studies about toxic chemicals and their effects.
What is Toxicology ?
Toxicology is the branch in science in which the researches and study are done for finding the effect of the toxic or poisonous elements on plants , animals , human and earth at large.
High levels of lead exposure is dangerous to humans as it can cause permanent disabilities , it is carcinogenic and hence can lead to death.
This is studied in toxicology.
To know more about Toxicology
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