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Author Question: Substances that do not decay naturally in the environment are ____________________. Fill in the ... (Read 171 times)

s.tung

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on: Jul 11, 2018
Substances that do not decay naturally in the environment are ___________________ _.
 Fill in the blank(s) with correct word

Question 2

Heavy metals that can have toxic effects include __________, __________, __________, and __________.
 Fill in the blank(s) with correct word


ngr69

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Reply #1 on: Jul 11, 2018
Answer to Question 1

nonbiodegradable

Answer to Question 2

lead; mercury; cadmium; selenium


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