The correct answer is A. Recording the sounds of a test tube breaking
        
             
        
        
        
Answer : In radioactive decay, the half-life is the length of time after which there is a 50% chance that an atom will have undergone nuclear decay. It varies depending on the atom type and isotope, and is usually determined experimentally.
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Ethanol is a biofuel, which can <span>be fermented from various sources, but in United States, most of Ethanol is made from "Corn"
In short, Your Answer would be Option A
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Answer:
The Y chromosome is present in males, who have one X and one Y chromosome, while females have two X chromosomes.Explanation: