In potassium-argon dating, how does the proportion of remaining potassium in a rock or fossil change over time?

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

What is the polyatamic ion of borate

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.