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Questions and Answers
What is the primary natural source of cosmic radiation?
What is the primary natural source of cosmic radiation?
- Gamma rays from uranium and thorium
- Charged particles from the sun and stars (correct)
- Radon gas inhaled with food and water
- Radioactive decay products in soil
Which radioactive elements are important components of terrestrial radiation?
Which radioactive elements are important components of terrestrial radiation?
- Actinium and radon
- Uranium and thorium (correct)
- Polonium and radium
- Plutonium and cesium
What is the primary mode of transport for cosmic radiation to reach the earth?
What is the primary mode of transport for cosmic radiation to reach the earth?
- Seeping through the earth's crust
- Reflection by the ozone layer
- Absorption by ocean waters
- Interaction with the earth's atmosphere and magnetic field (correct)
Which component of natural background radiation is inhaled by living organisms?
Which component of natural background radiation is inhaled by living organisms?
What factors cause variations in the amount of cosmic radiation in different parts of the world?
What factors cause variations in the amount of cosmic radiation in different parts of the world?
Which of the following is a primary source of natural background radiation?
Which of the following is a primary source of natural background radiation?
What is a significant factor causing variations in the amount of cosmic radiation in different parts of the world?
What is a significant factor causing variations in the amount of cosmic radiation in different parts of the world?
Which of the following is ingested by living organisms as part of natural background radiation?
Which of the following is ingested by living organisms as part of natural background radiation?
What is a significant component of terrestrial radiation found in nature?
What is a significant component of terrestrial radiation found in nature?
What is a primary mode of transport for cosmic radiation to reach the earth?
What is a primary mode of transport for cosmic radiation to reach the earth?
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