Katherine recently had a swimming pool installed in her back yard. using the water hose, she can put 75 gallons of water into the pool every hour.

if the pool can hold 13,500 gallons, how long will it take to fill the pool?

a. 120 hours

b. 180 hours

c. 60 hours

d. 216 hours

Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive