The half-life of carbon-14 is 5600 years. if a piece of charcoal made from the wood of a tree shows only 6363% of the carbon-14 expected in living matter, when did the tree die?

What does earth’s rotation on its axis cause? the tides night and day passing of years phases of the moon

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.

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added