Which would be least likely to pollute water with heavy metals? a. a copper mine b. a plastics factory c. a paint factory d. a lumber mill

D. a lumber mill

Explanation:

Large quantities of heavy metals are used in wood to promote gloss, hardness and durability. During the sawing of this wood, many heavy metal particles are discharged into the air and can cause serious problems to human health, as well as contamination of water bodies such as rivers and lakes.

Metals make up a group of chemical elements, mostly solid in their pure state, characterized by their brilliance, hardness, yellow to silver color, good electricity and heat conductivity, malleability, ductility, and high melting and boiling points. They are used to make wood look nicer and more durable, especially arsenic.

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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