Question

Assertion (A): Sr90 from the radioactive fallout from a nuclear bomb ends up in the bones of human beings through milk consumed by them. It causes impairment of the production of red blood cells. Reason (R): The energetics b-particles emitted in the decay of Sr90 damage bone marrow

Answer 1

Answer:

Ambitious. 23'3

Explanation: from my brother. Correct

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Answer 2

The assertion and reasoning are correct but the reasoning is not the proper explanation of the assertion

Explanation:

• Strontium 90 is one of the most dangerous radioactive substance which was liberated in Hiroshima and Nagasaki after the second world war. this leads to the destruction of the milk which is consumed my name. As a result of this there is damage of the bone marrow.

• This leads to the destruction and delayed production of the blood cells. As a result of this there is is increase in diseases such as leukaemia

To know more,

Leukaemia is caused by A) Ca-40 B) Sr-90 C) Caesium D) Iodine ..

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