The greatest source of radiation is radon gas
In order to properly measure the displacement, the object must be completely submerged, however in the diagram the wood is floating. So the measured displacement will only be a fraction of what it actually is.
Answer: any non-living thing
Explanation: abiotic means non-living
The answer is number 2. That releases massive amounts of radiation and by the way, that is how atomic bombs are made to detonate.
Fe + O2 → Fe2O3
After balancing the eq.
4Fe + 3O2 → 2Fe2O3
Hope this will help u mate :)
