What is standard pressure in atmospheres?

a.10
b.1
c.5
d.2

Air can be considered a mixture. which statement does not explain why?

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.

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.