An index fossil represents a species that lived during A.
a long interval of Earth's history.
B.
Earth's entire history.
C.
a short interval of Earth's history.
D.
several intervals of Earth's history.
which one is it?

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.