You have a block of dry ice (-40°c), an ice cube (-5°c) and alcohol (15°c). in which one do molecules move the fastest?
a. ice cube
b. dry ice
c. water
d. alcohol

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.