♻️ap environmental science review

Mercury

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

Mercury is a heavy metal that is naturally occurring but can also be released into the environment through human activities such as burning fossil fuels, mining, and waste incineration. It is highly toxic and can accumulate in organisms, leading to serious health effects.