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bulgar [2K]
3 years ago
14

Which of the following defines policies and procedures for releasing hazardous substances into the environment?

Biology
1 answer:
svetlana [45]3 years ago
5 0
The answer is b I think
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Answer:

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He chart shows rate of decay.
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The value which is being measured in the columns labeled "Fraction remaining" and "Percentage remaining" is: D. amount of material that has not decayed.

<h3>What is a radioactive decay?</h3>

A radioactive decay can be defined as a radioactive process in which an unstable atomic nucleus undergoes a spontaneous transformation into one or more different atomic nuclei and simultaneously emits radiation, accompanied with a loss of energy.

<h3>The types of radioactive decay.</h3>

In Science, there are three main types of radioactive decay and these include the following:

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Based on the information provided in the table (see attachment), we can reasonably infer and logically deduce that the value which is being measured in the columns labeled "Fraction remaining" and "Percentage remaining" is the amount of material that has not decayed.

Read more on radioactive decay here: brainly.com/question/23303931

#SPJ1

7 0
1 year ago
What structure is highly vascular and closely adheres to the surface of the brain?
tatyana61 [14]

Pia mater

<span>Pia mater is a highly vascular tissue that cleaves firmly to the surface of the brain and spinal cord. Pia mater protects the central nervous system by nourishing the brain and allowing blood vessels to pass through it. The inflammation of the pia mater can lead to meningitis</span>




6 0
3 years ago
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What discovery was made by alvin?
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3 years ago
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