Is water the only liquid? If not, name 5 more

Theoretically, which metal should be the most reactive? hydrogen lithium francium fluorine

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.

Which compound most likely has the greatest bond energy?