Examlex
When an unstable parent isotope decays,which of these is true?
Desire
A strong feeling of wanting to have something or wishing for something to happen.
Calvin Coolidge
The 30th President of the United States, known for his quiet demeanor and a laissez-faire approach to government.
Investment
The action or process of investing money for profit or material result.
Altruism
The selfless concern for the well-being of others without expecting anything in return.
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