How many moles of propane are needed to completely react with 15 moles of O2 C3H8+5O2 -> 3CO2+ 4H20

a. 1

b. 15

c. 3

d. 5

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.