Question

HOW TO ANSWER THIS QUESTION PLEASE ​

Answer 1

• Radioactive decay is a long proxy
• Use long tongs

↔ for safety precautions the scientist should used this upon working with radioactive materials in a laboratory.

Answer 2

• radioactive decay is a random process
• use long tongs

Step-by-step explanation:

Quantum theory has taught us that virtually everything to do with the nature of matter in the universe is a random process. The decay of atomic nuclei is something that makes that randomness "visible" with appropriate instrumentation. As such, the rate of decay will vary over the "short" term. Consequently, it is not surprising to see a variation of a few counts in an activity measurement over a period of a few minutes.

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Safety with respect to radioactive materials involves staying as far away from them as possible. The use of long tongs for handling would be appropriate.