0.693 23. the relationship between the half-life of a nuclide and its rate constant is given by plutonium -236 (236pu) is an alpha emitter with a half-life of 2.86 years. if a sample initially contained 1.35 of 236pu, what mass of 236pu is present after 5 years? (10 marks) k

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.