What is a half life?

The time taken for half of a given amount of radioactive substance to decay.

Related BMAT (BioMedical Admissions) University answers

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On complete combustion in air, a sample of an unknown hydrocarbon yielded 176 grams of CO2 and 108 grams of H2O with no additional products. Which one of the following might be the formula of the hydrocarbon? (Relative atomic masses: H=1, C =12, O =16)


Essay question: why would parents withold vaccines from their children?


Which of these statements is correct? 1. The kidneys filter the blood and remove waste products from the body. 2. The kidneys are involved in digesting food. 3. In a healthy individual, the Kidneys produce urine that contains high levels of glucose.


"The greatest disease in the West today is not TB or leprosy; it is being unwanted, unloved, and uncared for." ~ Mother Theresa. Explain what this statement means. Argue to the contrary. To what extent do you agree with the statement?


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