Study Guide for Lecture 5: information from lecture slides + information added by prof during lecture

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Department
Environmental Science
Course
EESA10H3
Professor
Jovan Stefanovic
Semester
Winter

Description
EESA10 Human Health and the Environment LECTURE 5 Slide: Heavy Metals - Naturally occurring (in soil), they can be extracted from the ground as ore, after they are extracted, they enter a cycle where they are incorporated into products where they are used for something. Once used, they are disposed ofwaste, cannot be reverted back to original - Widely dispersed in the environment, mainly because of human activity. When they are in the environment, they can enter human bodies just as any other chemical would, where they can then cause harm to select tissues. - Heavy metals are toxic even at very low levels (ppb) Slide: Classification of Metals - Metals are classified based on their toxicity o Cla
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