Radioactive wastes must be stored safely for __________ years before they become harmless.
A)at least 10
B)a minimum of 50
C)about 100
D)at least 500
E)up to 1,000

Name: Radioactive wastes must be stored safely for __________ years before they become harmless. A)at least 10 B)a minimum of 50 C)about 100 D)at least 500 E)up to 1,000
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Question

Quizplus · Accepted Answer

Radioactive wastes can remain hazardous for thousands of years, and some isotopes require up to 1,000 years or more to decay to safe levels.

Radioactive Wastes Must Be Stored Safely for __________ Years Before