The following statement about heavy metals is TRUE: ________.
A) Lead, iron, and titanium are heavy metals
B) Heavy metals are difficult for organisms to metabolize and excrete
C) Mercury and arsenic are poisonous but also easy to avoid
D) Lead no longer poses a threat to drinking water in North America

Question

Quizplus · Accepted Answer

Heavy metals are difficult for organisms to metabolize and excrete, making them toxic and harmful to living organisms. Lead, iron, and titanium are heavy metals, but the statement does not mention whether they are correct or incorrect. Mercury and arsenic are poisonous and can be difficult to avoid, depending on the source of exposure. Lead still poses a threat to drinking water in some areas of North America.

The Following Statement About Heavy Metals Is TRUE: ________